7998996 has 24 divisors (see below), whose sum is σ = 18944800. Its totient is φ = 2626272.

The previous prime is 7998979. The next prime is 7999051. The reversal of 7998996 is 6998997.

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, 4171 + ... + 5778.

Almost surely, 2^7998996 is an apocalyptic number.

It is an amenable number.

7998996 is an abundant number, since it is smaller than the sum of its proper divisors (10945804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7998996 is a wasteful number, since it uses less digits than its factorization.

7998996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023 (or 10021 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 57.

The square root of 7998996 is about 2828.2496353752. The cubic root of 7998996 is about 199.9916329833.

Subtracting from 7998996 its reverse (6998997), we obtain a palindrome (999999).

The spelling of 7998996 in words is "seven million, nine hundred ninety-eight thousand, nine hundred ninety-six".