3861642032 has 10 divisors (see below), whose sum is σ = 7481931468. Its totient is φ = 1930821008.

The previous prime is 3861642013. The next prime is 3861642041. The reversal of 3861642032 is 2302461683.

It is a junction number, because it is equal to n+sod(n) for n = 3861641983 and 3861642001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120676298 + ... + 120676329.

Almost surely, 2^3861642032 is an apocalyptic number.

It is an amenable number.

3861642032 is a deficient number, since it is larger than the sum of its proper divisors (3620289436).

3861642032 is a wasteful number, since it uses less digits than its factorization.

3861642032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241352635 (or 241352629 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 3861642032 is about 62142.1115830481. Note that the first 3 decimals coincide. The cubic root of 3861642032 is about 1568.8834112409.

The spelling of 3861642032 in words is "three billion, eight hundred sixty-one million, six hundred forty-two thousand, thirty-two".