389057964 has 12 divisors (see below), whose sum is σ = 907801944. Its totient is φ = 129685984.

The previous prime is 389057917. The next prime is 389057987. The reversal of 389057964 is 469750983.

It is a tau number, because it is divible by the number of its divisors (12).

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, 16210737 + ... + 16210760.

It is an arithmetic number, because the mean of its divisors is an integer number (75650162).

Almost surely, 2^389057964 is an apocalyptic number.

It is an amenable number.

389057964 is an abundant number, since it is smaller than the sum of its proper divisors (518743980).

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

389057964 is a wasteful number, since it uses less digits than its factorization.

389057964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32421504 (or 32421502 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 389057964 is about 19724.5523143112. The cubic root of 389057964 is about 730.0256224196.

The spelling of 389057964 in words is "three hundred eighty-nine million, fifty-seven thousand, nine hundred sixty-four".