315890 has 16 divisors (see below), whose sum is σ = 587520. Its totient is φ = 122160.

The previous prime is 315883. The next prime is 315893. The reversal of 315890 is 98513.

It is not an unprimeable number, because it can be changed into a prime (315893) 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, 200 + ... + 819.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2³¹⁵⁸⁹⁰ is an apocalyptic number.

315890 is a deficient number, since it is larger than the sum of its proper divisors (271630).

315890 is a wasteful number, since it uses less digits than its factorization.

315890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 315890 is about 562.0409237769. The cubic root of 315890 is about 68.1049417703.

The spelling of 315890 in words is "three hundred fifteen thousand, eight hundred ninety".