231928304 has 40 divisors (see below), whose sum is σ = 456845760. Its totient is φ = 114048000.

The previous prime is 231928273. The next prime is 231928309. The reversal of 231928304 is 403829132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231928309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385604 + ... + 386204.

It is an arithmetic number, because the mean of its divisors is an integer number (11421144).

Almost surely, 2^231928304 is an apocalyptic number.

It is an amenable number.

231928304 is a deficient number, since it is larger than the sum of its proper divisors (224917456).

231928304 is a wasteful number, since it uses less digits than its factorization.

231928304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 231928304 is about 15229.1924933662. The cubic root of 231928304 is about 614.4000618263.

It can be divided in two parts, 231928 and 304, that added together give a palindrome (232232).

The spelling of 231928304 in words is "two hundred thirty-one million, nine hundred twenty-eight thousand, three hundred four".