320395875 has 32 divisors (see below), whose sum is σ = 535968576. Its totient is φ = 169971200.

The previous prime is 320395849. The next prime is 320395891. The reversal of 320395875 is 578593023.

It is not a de Polignac number, because 320395875 - 2⁵ = 320395843 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71707 + ... + 76043.

It is an arithmetic number, because the mean of its divisors is an integer number (16749018).

Almost surely, 2^320395875 is an apocalyptic number.

320395875 is a deficient number, since it is larger than the sum of its proper divisors (215572701).

320395875 is a wasteful number, since it uses less digits than its factorization.

320395875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552 (or 4542 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 320395875 is about 17899.6054425789. The cubic root of 320395875 is about 684.2723194087.

The spelling of 320395875 in words is "three hundred twenty million, three hundred ninety-five thousand, eight hundred seventy-five".