231632992 has 48 divisors (see below), whose sum is σ = 475517952. Its totient is φ = 110943360.

The previous prime is 231632969. The next prime is 231633001. The reversal of 231632992 is 299236132.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 101043 + ... + 103309.

It is an arithmetic number, because the mean of its divisors is an integer number (9906624).

Almost surely, 2^231632992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231632992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237758976).

231632992 is an abundant number, since it is smaller than the sum of its proper divisors (243884960).

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

231632992 is a wasteful number, since it uses less digits than its factorization.

231632992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2403 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 231632992 is about 15219.4938154986. The cubic root of 231632992 is about 614.1391812426.

The spelling of 231632992 in words is "two hundred thirty-one million, six hundred thirty-two thousand, nine hundred ninety-two".