7996816 has 10 divisors (see below), whose sum is σ = 15493862. Its totient is φ = 3998400.

The previous prime is 7996789. The next prime is 7996823. The reversal of 7996816 is 6186997.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 156816 = 2800^2 + 396^2 .

It is a super-2 number, since 2×7996816² = 127898132275712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249885 + ... + 249916.

Almost surely, 2^7996816 is an apocalyptic number.

It is an amenable number.

7996816 is a deficient number, since it is larger than the sum of its proper divisors (7497046).

7996816 is a wasteful number, since it uses less digits than its factorization.

7996816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499809 (or 499803 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 7996816 is about 2827.8642117329. The cubic root of 7996816 is about 199.9734631458.

The spelling of 7996816 in words is "seven million, nine hundred ninety-six thousand, eight hundred sixteen".