3,782,388

2² × 3 × 315199

3,782,388 has digital root 3. The neighboring primes are 3782377 and 3782407; its proper-divisor sum differs from the starting integer by 1,260,824.

Prime Factor Structure

Factorization String 2^2 × 3 × 315199

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 12

Divisor Sum (σ) 8,825,600

Proper Divisor Sum 5,043,212

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #3782377 ← → #3782407

1 2 3 4 6 12 315,199 630,398 945,597 1,260,796 1,891,194 3,782,388

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

3,782,388 1,891,194 945,597 2,836,792 1,418,396 709,198 354,599 1,063,798 531,899 1,595,698 797,849 2,393,548 1,196,774 598,387 1,795,162 897,581 2,692,744 1,346,372 673,186 336,593 1,009,780 504,890 252,445 757,336 378,668 189,334 94,667 284,002 142,001 426,004 213,002 106,501 319,504 159,752 79,876 39,938 19,969 59,908 29,954 14,977 44,932 22,466 11,233 33,700 16,850 8,425 25,276 12,638 6,319 18,958 9,479 28,438 14,219 42,658 21,329 63,988 31,994 15,997 47,992 23,996