7996997 has 2 divisors, whose sum is σ = 7996998. Its totient is φ = 7996996.

The previous prime is 7996993. The next prime is 7997029.

7996997 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5997601 + 1999396 = 2449^2 + 1414^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 7996997 - 2² = 7996993 is a prime.

It is a super-2 number, since 2×7996997² = 127903922036018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7996993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3998498 + 3998499.

It is an arithmetic number, because the mean of its divisors is an integer number (3998499).

Almost surely, 2^7996997 is an apocalyptic number.

It is an amenable number.

7996997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7996997 is an equidigital number, since it uses as much as digits as its factorization.

7996997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1928934, while the sum is 56.

The square root of 7996997 is about 2827.8962145029. The cubic root of 7996997 is about 199.9749718681.

The spelling of 7996997 in words is "seven million, nine hundred ninety-six thousand, nine hundred ninety-seven".