231492 has 24 divisors (see below), whose sum is σ = 548352. Its totient is φ = 76000.

The previous prime is 231481. The next prime is 231493. The reversal of 231492 is 294132.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (231493) 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, 1117 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (22848).

2²³¹⁴⁹² is an apocalyptic number.

It is an amenable number.

231492 is an abundant number, since it is smaller than the sum of its proper divisors (316860).

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

231492 is a wasteful number, since it uses less digits than its factorization.

231492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 297 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 231492 is about 481.1361553656. The cubic root of 231492 is about 61.4014549765.

The spelling of 231492 in words is "two hundred thirty-one thousand, four hundred ninety-two".