316999956 has 144 divisors (see below), whose sum is σ = 937958784. Its totient is φ = 81139968.

The previous prime is 316999931. The next prime is 316999967. The reversal of 316999956 is 659999613.

Its product of digits (3542940) is a multiple of the sum of its prime factors (270).

It is a junction number, because it is equal to n+sod(n) for n = 316999896 and 316999905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2019030 + ... + 2019186.

Almost surely, 2^316999956 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 316999956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468979392).

316999956 is an abundant number, since it is smaller than the sum of its proper divisors (620958828).

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

316999956 is a wasteful number, since it uses less digits than its factorization.

316999956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 225 counting only the distinct ones).

The product of its digits is 3542940, while the sum is 57.

The square root of 316999956 is about 17804.4925791217. The cubic root of 316999956 is about 681.8461625883.

The spelling of 316999956 in words is "three hundred sixteen million, nine hundred ninety-nine thousand, nine hundred fifty-six".