7983988 has 24 divisors (see below), whose sum is σ = 14653184. Its totient is φ = 3805560.

The previous prime is 7983979. The next prime is 7984001. The reversal of 7983988 is 8893897.

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, 119131 + ... + 119197.

Almost surely, 2^7983988 is an apocalyptic number.

It is an amenable number.

7983988 is a deficient number, since it is larger than the sum of its proper divisors (6669196).

7983988 is an equidigital number, since it uses as much as digits as its factorization.

7983988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 100 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 7983988 is about 2825.5951585462. The cubic root of 7983988 is about 199.8664775453.

Subtracting 7983988 from its reverse (8893897), we obtain a palindrome (909909).

The spelling of 7983988 in words is "seven million, nine hundred eighty-three thousand, nine hundred eighty-eight".