315424 has 12 divisors (see below), whose sum is σ = 621054. Its totient is φ = 157696.

The previous prime is 315421. The next prime is 315437. The reversal of 315424 is 424513.

It can be written as a sum of positive squares in only one way, i.e., 283024 + 32400 = 532^2 + 180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4897 + ... + 4960.

2³¹⁵⁴²⁴ is an apocalyptic number.

It is an amenable number.

315424 is a deficient number, since it is larger than the sum of its proper divisors (305630).

315424 is an equidigital number, since it uses as much as digits as its factorization.

315424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867 (or 9859 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 315424 is about 561.6262102146. The cubic root of 315424 is about 68.0714358857.

Adding to 315424 its reverse (424513), we get a palindrome (739937).

The spelling of 315424 in words is "three hundred fifteen thousand, four hundred twenty-four".