7988936 has 8 divisors (see below), whose sum is σ = 14979270. Its totient is φ = 3994464.

The previous prime is 7988923. The next prime is 7988971. The reversal of 7988936 is 6398897.

It can be written as a sum of positive squares in only one way, i.e., 6220036 + 1768900 = 2494^2 + 1330^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499301 + ... + 499316.

Almost surely, 2^7988936 is an apocalyptic number.

It is an amenable number.

7988936 is a deficient number, since it is larger than the sum of its proper divisors (6990334).

7988936 is a wasteful number, since it uses less digits than its factorization.

7988936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998623 (or 998619 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 7988936 is about 2826.4705906837. The cubic root of 7988936 is about 199.9077574631.

The spelling of 7988936 in words is "seven million, nine hundred eighty-eight thousand, nine hundred thirty-six".