312494 has 32 divisors (see below), whose sum is σ = 616896. Its totient is φ = 115200.

The previous prime is 312469. The next prime is 312509. The reversal of 312494 is 494213.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3044 + ... + 3144.

It is an arithmetic number, because the mean of its divisors is an integer number (19278).

2³¹²⁴⁹⁴ is an apocalyptic number.

312494 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

312494 is a deficient number, since it is larger than the sum of its proper divisors (304402).

312494 is a wasteful number, since it uses less digits than its factorization.

312494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its digits is 864, while the sum is 23.

The square root of 312494 is about 559.0116277860. The cubic root of 312494 is about 67.8600061053.

The spelling of 312494 in words is "three hundred twelve thousand, four hundred ninety-four".