389022864 has 40 divisors (see below), whose sum is σ = 1021458432. Its totient is φ = 127547520.

The previous prime is 389022841. The next prime is 389022869. The reversal of 389022864 is 468220983.

It is not an unprimeable number, because it can be changed into a prime (389022869) 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, 63504 + ... + 69359.

Almost surely, 2^389022864 is an apocalyptic number.

It is an amenable number.

389022864 is an abundant number, since it is smaller than the sum of its proper divisors (632435568).

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

389022864 is a wasteful number, since it uses less digits than its factorization.

389022864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132935 (or 132929 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 389022864 is about 19723.6625402079. The cubic root of 389022864 is about 730.0036679618.

The spelling of 389022864 in words is "three hundred eighty-nine million, twenty-two thousand, eight hundred sixty-four".