232397928 has 96 divisors (see below), whose sum is σ = 722779200. Its totient is φ = 66081024.

The previous prime is 232397887. The next prime is 232397933. The reversal of 232397928 is 829793232.

232397928 is a `hidden beast` number, since 232 + 397 + 9 + 28 = 666.

232397928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116443 + ... + 118421.

It is an arithmetic number, because the mean of its divisors is an integer number (7528950).

Almost surely, 2^232397928 is an apocalyptic number.

232397928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232397928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361389600).

232397928 is an abundant number, since it is smaller than the sum of its proper divisors (490381272).

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

232397928 is a wasteful number, since it uses less digits than its factorization.

232397928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2224 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 232397928 is about 15244.6032418033. The cubic root of 232397928 is about 614.8144750721.

The spelling of 232397928 in words is "two hundred thirty-two million, three hundred ninety-seven thousand, nine hundred twenty-eight".