315284 has 18 divisors (see below), whose sum is σ = 580650. Its totient is φ = 149776.

The previous prime is 315281. The next prime is 315313. The reversal of 315284 is 482513.

315284 = T₅₉ + T₆₀ + ... + T₁₂₇.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 103684 = 460^2 + 322^2 .

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315284.

It is not an unprimeable number, because it can be changed into a prime (315281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2042 + ... + 2190.

2³¹⁵²⁸⁴ is an apocalyptic number.

It is an amenable number.

315284 is a deficient number, since it is larger than the sum of its proper divisors (265366).

315284 is a wasteful number, since it uses less digits than its factorization.

315284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 174 counting only the distinct ones).

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

The square root of 315284 is about 561.5015583238. The cubic root of 315284 is about 68.0613632941.

Adding to 315284 its reverse (482513), we get a palindrome (797797).

The spelling of 315284 in words is "three hundred fifteen thousand, two hundred eighty-four".