312938 has 8 divisors (see below), whose sum is σ = 489888. Its totient is φ = 149644.

The previous prime is 312937. The next prime is 312941. The reversal of 312938 is 839213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (312931) 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, 3356 + ... + 3447.

It is an arithmetic number, because the mean of its divisors is an integer number (61236).

2³¹²⁹³⁸ is an apocalyptic number.

312938 is a deficient number, since it is larger than the sum of its proper divisors (176950).

312938 is a wasteful number, since it uses less digits than its factorization.

312938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828.

The product of its digits is 1296, while the sum is 26.

The square root of 312938 is about 559.4086163083. The cubic root of 312938 is about 67.8921300119.

The spelling of 312938 in words is "three hundred twelve thousand, nine hundred thirty-eight".