312079 has 4 divisors (see below), whose sum is σ = 313200. Its totient is φ = 310960.

The previous prime is 312073. The next prime is 312083. The reversal of 312079 is 970213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 312079 - 2³ = 312071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (78300).

2³¹²⁰⁷⁹ is an apocalyptic number.

312079 is a deficient number, since it is larger than the sum of its proper divisors (1121).

312079 is an equidigital number, since it uses as much as digits as its factorization.

312079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 312079 is about 558.6403136187. The cubic root of 312079 is about 67.8299528580.

The spelling of 312079 in words is "three hundred twelve thousand, seventy-nine".