3861209932 has 54 divisors (see below), whose sum is σ = 7361021276. Its totient is φ = 1771829760.

The previous prime is 3861209927. The next prime is 3861209987. The reversal of 3861209932 is 2399021683.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1942243 + ... + 1944229.

Almost surely, 2^3861209932 is an apocalyptic number.

It is an amenable number.

3861209932 is a deficient number, since it is larger than the sum of its proper divisors (3499811344).

3861209932 is a wasteful number, since it uses less digits than its factorization.

3861209932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 3861209932 is about 62138.6347774072. The cubic root of 3861209932 is about 1568.8248921098.

The spelling of 3861209932 in words is "three billion, eight hundred sixty-one million, two hundred nine thousand, nine hundred thirty-two".