315842 has 8 divisors (see below), whose sum is σ = 480000. Its totient is φ = 155844.

The previous prime is 315829. The next prime is 315851. The reversal of 315842 is 248513.

315842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315842.

It is an unprimeable number.

315842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (60000).

2³¹⁵⁸⁴² is an apocalyptic number.

315842 is a deficient number, since it is larger than the sum of its proper divisors (164158).

315842 is a wasteful number, since it uses less digits than its factorization.

315842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its digits is 960, while the sum is 23.

The square root of 315842 is about 561.9982206378. The cubic root of 315842 is about 68.1014920433.

The spelling of 315842 in words is "three hundred fifteen thousand, eight hundred forty-two".