4,084,428

2² × 3 × 340369

4,084,428 has digital root 3. The neighboring primes are 4084427 and 4084439; its proper-divisor sum differs from the starting integer by 1,361,504.

Prime Factor Structure

Factorization String 2^2 × 3 × 340369

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 9,530,360

Proper Divisor Sum 5,445,932

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #4084427 ← → #4084439

1 2 3 4 6 12 340,369 680,738 1,021,107 1,361,476 2,042,214 4,084,428

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

4,084,428 2,042,214 1,021,107 3,063,322 1,531,661 4,594,984 2,297,492 1,148,746 574,373 1,723,120 861,560 430,780 215,390 107,695 323,086 161,543 484,630 242,315 726,946 363,473 1,090,420 545,210 272,605 817,816 408,908 204,454 102,227 306,682 153,341 460,024 230,012 115,006 57,503 172,510 86,255 258,766 129,383 388,150 194,075 582,226 291,113 873,340 436,670 218,335 655,006 327,503 982,510 491,255 1,473,766 736,883 2,210,650 1,105,325 3,315,976 1,657,988 828,994 414,497 1,243,492 621,746 310,873 932,620