315387 has 8 divisors (see below), whose sum is σ = 467280. Its totient is φ = 210240.

The previous prime is 315377. The next prime is 315389. The reversal of 315387 is 783513.

It is not a de Polignac number, because 315387 - 2¹² = 311291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 11681 = 315387 / (3 + 1 + 5 + 3 + 8 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 315387.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315387.

It is not an unprimeable number, because it can be changed into a prime (315389) 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, 5814 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (58410).

2³¹⁵³⁸⁷ is an apocalyptic number.

315387 is a deficient number, since it is larger than the sum of its proper divisors (151893).

315387 is a wasteful number, since it uses less digits than its factorization.

315387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11690 (or 11684 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 315387 is about 561.5932691904. The cubic root of 315387 is about 68.0687741334.

It can be divided in two parts, 3153 and 87, that added together give a triangular number (3240 = T₈₀).

The spelling of 315387 in words is "three hundred fifteen thousand, three hundred eighty-seven".