389252904 has 16 divisors (see below), whose sum is σ = 973132320. Its totient is φ = 129750960.

The previous prime is 389252879. The next prime is 389252921. The reversal of 389252904 is 409252983.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8109412 + ... + 8109459.

It is an arithmetic number, because the mean of its divisors is an integer number (60820770).

Almost surely, 2^389252904 is an apocalyptic number.

It is an amenable number.

389252904 is an abundant number, since it is smaller than the sum of its proper divisors (583879416).

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

389252904 is a wasteful number, since it uses less digits than its factorization.

389252904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16218880 (or 16218876 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 389252904 is about 19729.4932524888. The cubic root of 389252904 is about 730.1475300752.

The spelling of 389252904 in words is "three hundred eighty-nine million, two hundred fifty-two thousand, nine hundred four".