316809984 has 72 divisors (see below), whose sum is σ = 866042800. Its totient is φ = 102739968.

The previous prime is 316809979. The next prime is 316809989. The reversal of 316809984 is 489908613.

It is an interprime number because it is at equal distance from previous prime (316809979) and next prime (316809989).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (316809989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22842 + ... + 33990.

Almost surely, 2^316809984 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 316809984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433021400).

316809984 is an abundant number, since it is smaller than the sum of its proper divisors (549232816).

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

316809984 is a wasteful number, since it uses less digits than its factorization.

316809984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205 (or 11191 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 316809984 is about 17799.1568339627. The cubic root of 316809984 is about 681.7099295903.

The spelling of 316809984 in words is "three hundred sixteen million, eight hundred nine thousand, nine hundred eighty-four".