315608456 has 8 divisors (see below), whose sum is σ = 591765870. Its totient is φ = 157804224.

The previous prime is 315608443. The next prime is 315608459. The reversal of 315608456 is 654806513.

It can be written as a sum of positive squares in only one way, i.e., 298252900 + 17355556 = 17270^2 + 4166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (315608459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19725521 + ... + 19725536.

Almost surely, 2^315608456 is an apocalyptic number.

It is an amenable number.

315608456 is a deficient number, since it is larger than the sum of its proper divisors (276157414).

315608456 is a wasteful number, since it uses less digits than its factorization.

315608456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39451063 (or 39451059 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 315608456 is about 17765.3723856270. The cubic root of 315608456 is about 680.8470240735.

The spelling of 315608456 in words is "three hundred fifteen million, six hundred eight thousand, four hundred fifty-six".