316815489 has 8 divisors (see below), whose sum is σ = 469356320. Its totient is φ = 211210308.

The previous prime is 316815479. The next prime is 316815491. The reversal of 316815489 is 984518613.

316815489 is a `hidden beast` number, since 3 + 168 + 1 + 5 + 489 = 666.

It is not a de Polignac number, because 316815489 - 2⁷ = 316815361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316815449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5866927 + ... + 5866980.

It is an arithmetic number, because the mean of its divisors is an integer number (58669540).

Almost surely, 2^316815489 is an apocalyptic number.

It is an amenable number.

316815489 is a deficient number, since it is larger than the sum of its proper divisors (152540831).

316815489 is a wasteful number, since it uses less digits than its factorization.

316815489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733916 (or 11733910 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 316815489 is about 17799.3114754476. The cubic root of 316815489 is about 681.7138781100.

The spelling of 316815489 in words is "three hundred sixteen million, eight hundred fifteen thousand, four hundred eighty-nine".