312474 has 16 divisors (see below), whose sum is σ = 658080. Its totient is φ = 98640.

The previous prime is 312469. The next prime is 312509. The reversal of 312474 is 474213.

312474 = T₂₅₉ + T₂₆₀ + ... + T₂₆₇.

It is a self number, because there is not a number n which added to its sum of digits gives 312474.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312474.

It is an unprimeable number.

312474 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 1484.

It is an arithmetic number, because the mean of its divisors is an integer number (41130).

2³¹²⁴⁷⁴ is an apocalyptic number.

312474 is an abundant number, since it is smaller than the sum of its proper divisors (345606).

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

312474 is a wasteful number, since it uses less digits than its factorization.

312474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765.

The product of its digits is 672, while the sum is 21.

The square root of 312474 is about 558.9937387843. The cubic root of 312474 is about 67.8585583665.

Adding to 312474 its reverse (474213), we get a palindrome (786687).

The spelling of 312474 in words is "three hundred twelve thousand, four hundred seventy-four", and thus it is an iban number.