312974 has 4 divisors (see below), whose sum is σ = 469464. Its totient is φ = 156486.

The previous prime is 312971. The next prime is 312979. The reversal of 312974 is 479213.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312974.

It is not an unprimeable number, because it can be changed into a prime (312971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78242 + ... + 78245.

It is an arithmetic number, because the mean of its divisors is an integer number (117366).

2³¹²⁹⁷⁴ is an apocalyptic number.

312974 is a deficient number, since it is larger than the sum of its proper divisors (156490).

312974 is a wasteful number, since it uses less digits than its factorization.

312974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156489.

The product of its digits is 1512, while the sum is 26.

The square root of 312974 is about 559.4407922202. The cubic root of 312974 is about 67.8947333209.

The spelling of 312974 in words is "three hundred twelve thousand, nine hundred seventy-four".