7996904 has 8 divisors (see below), whose sum is σ = 14994210. Its totient is φ = 3998448.

The previous prime is 7996903. The next prime is 7996913. The reversal of 7996904 is 4096997.

It can be written as a sum of positive squares in only one way, i.e., 7828804 + 168100 = 2798^2 + 410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7996903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499799 + ... + 499814.

Almost surely, 2^7996904 is an apocalyptic number.

It is an amenable number.

7996904 is a deficient number, since it is larger than the sum of its proper divisors (6997306).

7996904 is a wasteful number, since it uses less digits than its factorization.

7996904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999619 (or 999615 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 7996904 is about 2827.8797711360. The cubic root of 7996904 is about 199.9741966711.

The spelling of 7996904 in words is "seven million, nine hundred ninety-six thousand, nine hundred four".