312339 has 4 divisors (see below), whose sum is σ = 416456. Its totient is φ = 208224.

The previous prime is 312331. The next prime is 312343. The reversal of 312339 is 933213.

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

It is not a de Polignac number, because 312339 - 2³ = 312331 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52054 + ... + 52059.

It is an arithmetic number, because the mean of its divisors is an integer number (104114).

2³¹²³³⁹ is an apocalyptic number.

312339 is a deficient number, since it is larger than the sum of its proper divisors (104117).

312339 is a wasteful number, since it uses less digits than its factorization.

312339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104116.

The product of its digits is 486, while the sum is 21.

The square root of 312339 is about 558.8729730449. The cubic root of 312339 is about 67.8487845133.

The spelling of 312339 in words is "three hundred twelve thousand, three hundred thirty-nine".