389564372 has 24 divisors (see below), whose sum is σ = 723287040. Its totient is φ = 183072960.

The previous prime is 389564369. The next prime is 389564377. The reversal of 389564372 is 273465983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389564377) 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, 10529 + ... + 29832.

It is an arithmetic number, because the mean of its divisors is an integer number (30136960).

Almost surely, 2^389564372 is an apocalyptic number.

It is an amenable number.

389564372 is a deficient number, since it is larger than the sum of its proper divisors (333722668).

389564372 is a wasteful number, since it uses less digits than its factorization.

389564372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40511 (or 40509 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 389564372 is about 19737.3851358279. The cubic root of 389564372 is about 730.3422252275.

The spelling of 389564372 in words is "three hundred eighty-nine million, five hundred sixty-four thousand, three hundred seventy-two".