816995348 has 18 divisors (see below), whose sum is σ = 1548183294. Its totient is φ = 377074464.

The previous prime is 816995323. The next prime is 816995357. The reversal of 816995348 is 843599618.

It can be written as a sum of positive squares in 3 ways, for example, as 65577604 + 751417744 = 8098^2 + 27412^2 .

It is a super-2 number, since 2×816995348² = 1334962797307282208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 816995348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 603611 + ... + 604962.

It is an arithmetic number, because the mean of its divisors is an integer number (86010183).

Almost surely, 2^816995348 is an apocalyptic number.

It is an amenable number.

816995348 is a deficient number, since it is larger than the sum of its proper divisors (731187946).

816995348 is a wasteful number, since it uses less digits than its factorization.

816995348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208603 (or 1208588 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 816995348 is about 28583.1304793579. The cubic root of 816995348 is about 934.8455417022.

The spelling of 816995348 in words is "eight hundred sixteen million, nine hundred ninety-five thousand, three hundred forty-eight".