312492 has 12 divisors (see below), whose sum is σ = 729176. Its totient is φ = 104160.

The previous prime is 312469. The next prime is 312509. The reversal of 312492 is 294213.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312492.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13009 + ... + 13032.

2³¹²⁴⁹² is an apocalyptic number.

It is an amenable number.

312492 is an abundant number, since it is smaller than the sum of its proper divisors (416684).

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

312492 is a wasteful number, since it uses less digits than its factorization.

312492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26048 (or 26046 counting only the distinct ones).

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

The square root of 312492 is about 559.0098389116. The cubic root of 312492 is about 67.8598613342.

The spelling of 312492 in words is "three hundred twelve thousand, four hundred ninety-two".