315494 has 4 divisors (see below), whose sum is σ = 473244. Its totient is φ = 157746.

The previous prime is 315493. The next prime is 315517. The reversal of 315494 is 494513.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78872 + ... + 78875.

It is an arithmetic number, because the mean of its divisors is an integer number (118311).

2³¹⁵⁴⁹⁴ is an apocalyptic number.

315494 is a deficient number, since it is larger than the sum of its proper divisors (157750).

315494 is a wasteful number, since it uses less digits than its factorization.

315494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157749.

The product of its digits is 2160, while the sum is 26.

The square root of 315494 is about 561.6885257863. The cubic root of 315494 is about 68.0764710638.

The spelling of 315494 in words is "three hundred fifteen thousand, four hundred ninety-four".