315974409 has 8 divisors (see below), whose sum is σ = 421381440. Its totient is φ = 210608496.

The previous prime is 315974387. The next prime is 315974411. The reversal of 315974409 is 904479513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315974409 - 2¹⁵ = 315941641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315974809) 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 7 ways as a sum of consecutive naturals, for example, 23739 + ... + 34575.

It is an arithmetic number, because the mean of its divisors is an integer number (52672680).

Almost surely, 2^315974409 is an apocalyptic number.

It is an amenable number.

315974409 is a deficient number, since it is larger than the sum of its proper divisors (105407031).

315974409 is a wasteful number, since it uses less digits than its factorization.

315974409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20559.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 315974409 is about 17775.6690169456. The cubic root of 315974409 is about 681.1100733965.

The spelling of 315974409 in words is "three hundred fifteen million, nine hundred seventy-four thousand, four hundred nine".