389875624 has 8 divisors (see below), whose sum is σ = 731016810. Its totient is φ = 194937808.

The previous prime is 389875621. The next prime is 389875631. The reversal of 389875624 is 426578983.

It can be written as a sum of positive squares in only one way, i.e., 219573124 + 170302500 = 14818^2 + 13050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (389875621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24367219 + ... + 24367234.

Almost surely, 2^389875624 is an apocalyptic number.

It is an amenable number.

389875624 is a deficient number, since it is larger than the sum of its proper divisors (341141186).

389875624 is a wasteful number, since it uses less digits than its factorization.

389875624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48734459 (or 48734455 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 389875624 is about 19745.2683952384. The cubic root of 389875624 is about 730.5366817200.

The spelling of 389875624 in words is "three hundred eighty-nine million, eight hundred seventy-five thousand, six hundred twenty-four".