816317344 has 24 divisors (see below), whose sum is σ = 1608253920. Its totient is φ = 407871936.

The previous prime is 816317323. The next prime is 816317363. The reversal of 816317344 is 443713618.

It is a super-2 number, since 2×816317344² = 1332748012230428672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41707 + ... + 58069.

It is an arithmetic number, because the mean of its divisors is an integer number (67010580).

Almost surely, 2^816317344 is an apocalyptic number.

It is an amenable number.

816317344 is a deficient number, since it is larger than the sum of its proper divisors (791936576).

816317344 is a wasteful number, since it uses less digits than its factorization.

816317344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932 (or 17924 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 816317344 is about 28571.2678052620. The cubic root of 816317344 is about 934.5868684910.

The spelling of 816317344 in words is "eight hundred sixteen million, three hundred seventeen thousand, three hundred forty-four".