389652631 has 12 divisors (see below), whose sum is σ = 416709520. Its totient is φ = 364262400.

The previous prime is 389652629. The next prime is 389652649. The reversal of 389652631 is 136256983.

It is not a de Polignac number, because 389652631 - 2¹ = 389652629 is a prime.

It is a super-2 number, since 2×389652631² = 303658345690444322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389662631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39175 + ... + 48103.

Almost surely, 2^389652631 is an apocalyptic number.

389652631 is a deficient number, since it is larger than the sum of its proper divisors (27056889).

389652631 is a wasteful number, since it uses less digits than its factorization.

389652631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114 (or 9097 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 389652631 is about 19739.6208423566. The cubic root of 389652631 is about 730.3973760676.

The spelling of 389652631 in words is "three hundred eighty-nine million, six hundred fifty-two thousand, six hundred thirty-one".