316491969 has 16 divisors (see below), whose sum is σ = 435321920. Its totient is φ = 204379200.

The previous prime is 316491919. The next prime is 316491977. The reversal of 316491969 is 969194613.

It is not a de Polignac number, because 316491969 - 2⁷ = 316491841 is a prime.

It is a super-2 number, since 2×316491969² = 200334332882993922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316491919) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19194 + ... + 31644.

It is an arithmetic number, because the mean of its divisors is an integer number (27207620).

Almost surely, 2^316491969 is an apocalyptic number.

It is an amenable number.

316491969 is a deficient number, since it is larger than the sum of its proper divisors (118829951).

316491969 is a wasteful number, since it uses less digits than its factorization.

316491969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12720.

The product of its digits is 314928, while the sum is 48.

The square root of 316491969 is about 17790.2211622003. The cubic root of 316491969 is about 681.4817522661.

The spelling of 316491969 in words is "three hundred sixteen million, four hundred ninety-one thousand, nine hundred sixty-nine".