7996996 has 18 divisors (see below), whose sum is σ = 16279998. Its totient is φ = 3427200.

The previous prime is 7996993. The next prime is 7996997. The reversal of 7996996 is 6996997.

It can be written as a sum of positive squares in only one way, i.e., 7918596 + 78400 = 2814^2 + 280^2 .

It is not an unprimeable number, because it can be changed into a prime (7996993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20205 + ... + 20596.

Almost surely, 2^7996996 is an apocalyptic number.

It is an amenable number.

7996996 is an abundant number, since it is smaller than the sum of its proper divisors (8283002).

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

7996996 is a wasteful number, since it uses less digits than its factorization.

7996996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40819 (or 40810 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 55.

The square root of 7996996 is about 2827.8960376930. The cubic root of 7996996 is about 199.9749635327.

Subtracting from 7996996 its reverse (6996997), we obtain a palindrome (999999).

The spelling of 7996996 in words is "seven million, nine hundred ninety-six thousand, nine hundred ninety-six".