315443864 has 16 divisors (see below), whose sum is σ = 592174800. Its totient is φ = 157530592.

The previous prime is 315443831. The next prime is 315443867. The reversal of 315443864 is 468344513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315443867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16787 + ... + 30210.

It is an arithmetic number, because the mean of its divisors is an integer number (37010925).

Almost surely, 2^315443864 is an apocalyptic number.

It is an amenable number.

315443864 is a deficient number, since it is larger than the sum of its proper divisors (276730936).

315443864 is a wasteful number, since it uses less digits than its factorization.

315443864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47842 (or 47838 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 315443864 is about 17760.7393990228. The cubic root of 315443864 is about 680.7286480105.

The spelling of 315443864 in words is "three hundred fifteen million, four hundred forty-three thousand, eight hundred sixty-four".