7996691 has 2 divisors, whose sum is σ = 7996692. Its totient is φ = 7996690.

The previous prime is 7996687. The next prime is 7996697. The reversal of 7996691 is 1966997.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7996691 - 2² = 7996687 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7996697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3998345 + 3998346.

It is an arithmetic number, because the mean of its divisors is an integer number (3998346).

Almost surely, 2^7996691 is an apocalyptic number.

7996691 is a deficient number, since it is larger than the sum of its proper divisors (1).

7996691 is an equidigital number, since it uses as much as digits as its factorization.

7996691 is an evil number, because the sum of its binary digits is even.

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

The square root of 7996691 is about 2827.8421101610. The cubic root of 7996691 is about 199.9724211972.

The spelling of 7996691 in words is "seven million, nine hundred ninety-six thousand, six hundred ninety-one".