7961996 has 12 divisors (see below), whose sum is σ = 15924048. Its totient is φ = 3412272.

The previous prime is 7961981. The next prime is 7961999. The reversal of 7961996 is 6991697.

It is a happy number.

7961996 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 7961996.

It is not an unprimeable number, because it can be changed into a prime (7961999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142151 + ... + 142206.

It is an arithmetic number, because the mean of its divisors is an integer number (1327004).

Almost surely, 2^7961996 is an apocalyptic number.

It is an amenable number.

7961996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7961996 is a wasteful number, since it uses less digits than its factorization.

7961996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284368 (or 284366 counting only the distinct ones).

The product of its digits is 183708, while the sum is 47.

The square root of 7961996 is about 2821.7009054824. The cubic root of 7961996 is about 199.6827971778.

Subtracting from 7961996 its reverse (6991697), we obtain a cube (970299 = 99³).

The spelling of 7961996 in words is "seven million, nine hundred sixty-one thousand, nine hundred ninety-six".