315938 has 8 divisors (see below), whose sum is σ = 541632. Its totient is φ = 135396.

The previous prime is 315937. The next prime is 315949. The reversal of 315938 is 839513.

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

It is a self number, because there is not a number n which added to its sum of digits gives 315938.

It is not an unprimeable number, because it can be changed into a prime (315937) 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, 11270 + ... + 11297.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

2³¹⁵⁹³⁸ is an apocalyptic number.

315938 is a deficient number, since it is larger than the sum of its proper divisors (225694).

315938 is a wasteful number, since it uses less digits than its factorization.

315938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22576.

The product of its digits is 3240, while the sum is 29.

The square root of 315938 is about 562.0836236718. The cubic root of 315938 is about 68.1083911479.

The spelling of 315938 in words is "three hundred fifteen thousand, nine hundred thirty-eight".