315939 has 8 divisors (see below), whose sum is σ = 453712. Its totient is φ = 194400.

The previous prime is 315937. The next prime is 315949. The reversal of 315939 is 939513.

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

It is not a de Polignac number, because 315939 - 2¹ = 315937 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 (315937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4012 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (56714).

2³¹⁵⁹³⁹ is an apocalyptic number.

315939 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

315939 is a deficient number, since it is larger than the sum of its proper divisors (137773).

315939 is a wasteful number, since it uses less digits than its factorization.

315939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117.

The product of its digits is 3645, while the sum is 30.

The square root of 315939 is about 562.0845132184. The cubic root of 315939 is about 68.1084630062.

It can be divided in two parts, 3159 and 39, that multiplied together give a square (123201 = 351²).

The spelling of 315939 in words is "three hundred fifteen thousand, nine hundred thirty-nine".