9976669 has 2 divisors, whose sum is σ = 9976670. Its totient is φ = 9976668.

The previous prime is 9976651. The next prime is 9976693. The reversal of 9976669 is 9666799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5405625 + 4571044 = 2325^2 + 2138^2 .

It is an emirp because it is prime and its reverse (9666799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9976669 - 2⁷ = 9976541 is a prime.

It is a super-2 number, since 2×9976669² = 199067848671122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9976619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4988334 + 4988335.

It is an arithmetic number, because the mean of its divisors is an integer number (4988335).

Almost surely, 2^9976669 is an apocalyptic number.

It is an amenable number.

9976669 is a deficient number, since it is larger than the sum of its proper divisors (1).

9976669 is an equidigital number, since it uses as much as digits as its factorization.

9976669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 52.

The square root of 9976669 is about 3158.5865509750. The cubic root of 9976669 is about 215.2757881443.

The spelling of 9976669 in words is "nine million, nine hundred seventy-six thousand, six hundred sixty-nine".