316403620 has 24 divisors (see below), whose sum is σ = 715559544. Its totient is φ = 116825856.

The previous prime is 316403603. The next prime is 316403623. The reversal of 316403620 is 26304613.

It can be written as a sum of positive squares in 4 ways, for example, as 8892324 + 307511296 = 2982^2 + 17536^2 .

It is a super-2 number, since 2×316403620² = 200222501498208800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316403623) 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, 608209 + ... + 608728.

It is an arithmetic number, because the mean of its divisors is an integer number (29814981).

Almost surely, 2^316403620 is an apocalyptic number.

It is an amenable number.

316403620 is an abundant number, since it is smaller than the sum of its proper divisors (399155924).

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

316403620 is a wasteful number, since it uses less digits than its factorization.

316403620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216959 (or 1216957 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 316403620 is about 17787.7379112691. The cubic root of 316403620 is about 681.4183342961.

The spelling of 316403620 in words is "three hundred sixteen million, four hundred three thousand, six hundred twenty".