316989420 has 48 divisors (see below), whose sum is σ = 968260608. Its totient is φ = 76845760.

The previous prime is 316989391. The next prime is 316989443. The reversal of 316989420 is 24989613.

316989420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239484 + ... + 240803.

It is an arithmetic number, because the mean of its divisors is an integer number (20172096).

Almost surely, 2^316989420 is an apocalyptic number.

316989420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

316989420 is an abundant number, since it is smaller than the sum of its proper divisors (651271188).

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

316989420 is a wasteful number, since it uses less digits than its factorization.

316989420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480310 (or 480308 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 316989420 is about 17804.1966962848. The cubic root of 316989420 is about 681.8386084224.

The spelling of 316989420 in words is "three hundred sixteen million, nine hundred eighty-nine thousand, four hundred twenty".