315794 has 4 divisors (see below), whose sum is σ = 473694. Its totient is φ = 157896.

The previous prime is 315779. The next prime is 315803. The reversal of 315794 is 497513.

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

It can be written as a sum of positive squares in only one way, i.e., 297025 + 18769 = 545^2 + 137^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78947 + ... + 78950.

2³¹⁵⁷⁹⁴ is an apocalyptic number.

315794 is a deficient number, since it is larger than the sum of its proper divisors (157900).

315794 is a wasteful number, since it uses less digits than its factorization.

315794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157899.

The product of its digits is 3780, while the sum is 29.

The square root of 315794 is about 561.9555142536. The cubic root of 315794 is about 68.0980419668.

The spelling of 315794 in words is "three hundred fifteen thousand, seven hundred ninety-four".