389316915 has 64 divisors (see below), whose sum is σ = 789264000. Its totient is φ = 180375552.

The previous prime is 389316901. The next prime is 389316919. The reversal of 389316915 is 519613983.

It is not a de Polignac number, because 389316915 - 2⁷ = 389316787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (389316919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23311 + ... + 36359.

It is an arithmetic number, because the mean of its divisors is an integer number (12332250).

Almost surely, 2^389316915 is an apocalyptic number.

389316915 is an abundant number, since it is smaller than the sum of its proper divisors (399947085).

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

389316915 is a wasteful number, since it uses less digits than its factorization.

389316915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13093 (or 13087 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 389316915 is about 19731.1154018216. The cubic root of 389316915 is about 730.1875511098.

The spelling of 389316915 in words is "three hundred eighty-nine million, three hundred sixteen thousand, nine hundred fifteen".