312874 has 4 divisors (see below), whose sum is σ = 469314. Its totient is φ = 156436.

The previous prime is 312863. The next prime is 312887. The reversal of 312874 is 478213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 275625 + 37249 = 525^2 + 193^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78217 + ... + 78220.

2³¹²⁸⁷⁴ is an apocalyptic number.

312874 is a deficient number, since it is larger than the sum of its proper divisors (156440).

312874 is a wasteful number, since it uses less digits than its factorization.

312874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156439.

The product of its digits is 1344, while the sum is 25.

The square root of 312874 is about 559.3514101171. The cubic root of 312874 is about 67.8875014139.

The spelling of 312874 in words is "three hundred twelve thousand, eight hundred seventy-four".