231892272 has 60 divisors (see below), whose sum is σ = 654765384. Its totient is φ = 76608000.

The previous prime is 231892267. The next prime is 231892301. The reversal of 231892272 is 272298132.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 9147 + ... + 23397.

Almost surely, 2^231892272 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 231892272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327382692).

231892272 is an abundant number, since it is smaller than the sum of its proper divisors (422873112).

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

231892272 is a wasteful number, since it uses less digits than its factorization.

231892272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14378 (or 14369 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 231892272 is about 15228.0094562618. The cubic root of 231892272 is about 614.3682427840.

The spelling of 231892272 in words is "two hundred thirty-one million, eight hundred ninety-two thousand, two hundred seventy-two".