3861997752 has 32 divisors (see below), whose sum is σ = 9719802000. Its totient is φ = 1278691584.

The previous prime is 3861997739. The next prime is 3861997757. The reversal of 3861997752 is 2577991683.

It is a junction number, because it is equal to n+sod(n) for n = 3861997692 and 3861997701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861997757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536413 + ... + 543564.

Almost surely, 2^3861997752 is an apocalyptic number.

It is an amenable number.

3861997752 is an abundant number, since it is smaller than the sum of its proper divisors (5857804248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861997752 is a wasteful number, since it uses less digits than its factorization.

3861997752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080135 (or 1080131 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The square root of 3861997752 is about 62144.9736664197. The cubic root of 3861997752 is about 1568.9315829830.

The spelling of 3861997752 in words is "three billion, eight hundred sixty-one million, nine hundred ninety-seven thousand, seven hundred fifty-two".