3,445,146

2 × 3³ × 63799

3,445,146 has digital root 9. The neighboring primes are 3445121 and 3445153; its proper-divisor sum differs from the starting integer by 765,708.

Prime Factor Structure

Factorization String 2 × 3^3 × 63799

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 7,656,000

Proper Divisor Sum 4,210,854

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #3445121 ← → #3445153

1 2 3 6 9 18 27 54 63,799 127,598 191,397 382,794 574,191 1,148,382 1,722,573 3,445,146

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

3,445,146 1,722,573 5,167,720 2,583,860 1,291,930 645,965 1,937,896 968,948 484,474 242,237 726,712 363,356 181,678 90,839 272,518 136,259 408,778 204,389 613,168 306,584 153,292 76,646 38,323 114,970 57,485 172,456 86,228 43,114 21,557 64,672 32,336 16,168 8,084 4,042 2,021 6,064 3,032 1,516 758 379 1,138 569 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611