316389888 has 120 divisors (see below), whose sum is σ = 947314368. Its totient is φ = 105421824.

The previous prime is 316389877. The next prime is 316389911. The reversal of 316389888 is 888983613.

It is a happy number.

It is a super-2 number, since 2×316389888² = 200205122457305088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123145 + ... + 125687.

Almost surely, 2^316389888 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 316389888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473657184).

316389888 is an abundant number, since it is smaller than the sum of its proper divisors (630924480).

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

316389888 is an frugal number, since it uses more digits than its factorization.

316389888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2548 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 316389888 is about 17787.3519108382. The cubic root of 316389888 is about 681.4084762421.

The spelling of 316389888 in words is "three hundred sixteen million, three hundred eighty-nine thousand, eight hundred eighty-eight".