816838264 has 32 divisors (see below), whose sum is σ = 1682046000. Its totient is φ = 368792320.

The previous prime is 816838259. The next prime is 816838283. The reversal of 816838264 is 462838618.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18037 + ... + 44260.

Almost surely, 2^816838264 is an apocalyptic number.

It is an amenable number.

816838264 is an abundant number, since it is smaller than the sum of its proper divisors (865207736).

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

816838264 is a wasteful number, since it uses less digits than its factorization.

816838264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62463 (or 62459 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 816838264 is about 28580.3825026888. The cubic root of 816838264 is about 934.7856234950.

The spelling of 816838264 in words is "eight hundred sixteen million, eight hundred thirty-eight thousand, two hundred sixty-four".