315868379 has 4 divisors (see below), whose sum is σ = 318279720. Its totient is φ = 313457040.

The previous prime is 315868327. The next prime is 315868391. The reversal of 315868379 is 973868513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315868379 - 2¹⁶ = 315802843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315868079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1205474 + ... + 1205735.

It is an arithmetic number, because the mean of its divisors is an integer number (79569930).

Almost surely, 2^315868379 is an apocalyptic number.

315868379 is a deficient number, since it is larger than the sum of its proper divisors (2411341).

315868379 is a wasteful number, since it uses less digits than its factorization.

315868379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411340.

The product of its digits is 1088640, while the sum is 50.

The square root of 315868379 is about 17772.6863191809. The cubic root of 315868379 is about 681.0338792719.

The spelling of 315868379 in words is "three hundred fifteen million, eight hundred sixty-eight thousand, three hundred seventy-nine".