316697856 has 72 divisors (see below), whose sum is σ = 879574080. Its totient is φ = 100970496.

The previous prime is 316697827. The next prime is 316697897. The reversal of 316697856 is 658796613.

It is a junction number, because it is equal to n+sod(n) for n = 316697799 and 316697808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8700 + ... + 26628.

Almost surely, 2^316697856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316697856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439787040).

316697856 is an abundant number, since it is smaller than the sum of its proper divisors (562876224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316697856 is a wasteful number, since it uses less digits than its factorization.

316697856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17971 (or 17957 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 316697856 is about 17796.0067430871. The cubic root of 316697856 is about 681.6294946350.

The spelling of 316697856 in words is "three hundred sixteen million, six hundred ninety-seven thousand, eight hundred fifty-six".