231875904 has 56 divisors (see below), whose sum is σ = 660704800. Its totient is φ = 71345664.

The previous prime is 231875893. The next prime is 231875911. The reversal of 231875904 is 409578132.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43954 + ... + 48945.

It is an arithmetic number, because the mean of its divisors is an integer number (11798300).

Almost surely, 2^231875904 is an apocalyptic number.

231875904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231875904 is an abundant number, since it is smaller than the sum of its proper divisors (428828896).

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

231875904 is a wasteful number, since it uses less digits than its factorization.

231875904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92927 (or 92917 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 231875904 is about 15227.4720160636. The cubic root of 231875904 is about 614.3537874856.

The spelling of 231875904 in words is "two hundred thirty-one million, eight hundred seventy-five thousand, nine hundred four".