316996920 has 144 divisors (see below), whose sum is σ = 1052873640. Its totient is φ = 82703232.

The previous prime is 316996919. The next prime is 316996921. The reversal of 316996920 is 29699613.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (316996919) and next prime (316996921).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316996921) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3077589 + ... + 3077691.

Almost surely, 2^316996920 is an apocalyptic number.

316996920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316996920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526436820).

316996920 is an abundant number, since it is smaller than the sum of its proper divisors (735876720).

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

316996920 is a wasteful number, since it uses less digits than its factorization.

316996920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 316996920 is about 17804.4073195375. The cubic root of 316996920 is about 681.8439858355.

The spelling of 316996920 in words is "three hundred sixteen million, nine hundred ninety-six thousand, nine hundred twenty".