8,624,980

2² × 5 × 7² × 13 × 677

8,624,980 has digital root 1. The neighboring primes are 8624953 and 8624981; its proper-divisor sum differs from the starting integer by 5,473,888.

Prime Factor Structure

Factorization String 2^2 × 5 × 7^2 × 13 × 677

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 22,723,848

Proper Divisor Sum 14,098,868

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #8624953 ← → #8624981

1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 182 196 245 260 364 455 490 637 677 910 980 1,274 1,354 1,820 2,548 2,708 3,185 3,385 4,739 6,370 6,770 8,801 9,478 12,740 13,540 17,602 18,956 23,695 33,173 35,204 44,005 47,390 61,607 66,346 88,010 94,780 123,214 132,692 165,865 176,020

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

8,624,980 4,312,490 2,156,245 6,468,736 3,234,368 1,617,184 808,592 404,296 202,148 101,074 50,537 151,612 75,806 37,903 113,710 56,855 170,566 85,283 255,850 127,925 383,776 191,888 95,944 47,972 23,986 11,993 35,980 17,990 8,995 26,986 13,493 40,480 20,240 10,120 5,060 2,530 1,265 3,796 1,898 949 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44