9676021 has 2 divisors, whose sum is σ = 9676022. Its totient is φ = 9676020.

The previous prime is 9676019. The next prime is 9676027. The reversal of 9676021 is 1206769.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4901796 + 4774225 = 2214^2 + 2185^2 .

It is an emirp because it is prime and its reverse (1206769) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9676021 - 2¹ = 9676019 is a prime.

Together with 9676019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9676027) 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, 4838010 + 4838011.

It is an arithmetic number, because the mean of its divisors is an integer number (4838011).

Almost surely, 2^9676021 is an apocalyptic number.

It is an amenable number.

9676021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9676021 is an equidigital number, since it uses as much as digits as its factorization.

9676021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 9676021 is about 3110.6303219766. The cubic root of 9676021 is about 213.0912420338.

The spelling of 9676021 in words is "nine million, six hundred seventy-six thousand, twenty-one".