9656917 has 2 divisors, whose sum is σ = 9656918. Its totient is φ = 9656916.

The previous prime is 9656909. The next prime is 9656939. The reversal of 9656917 is 7196569.

9656917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8520561 + 1136356 = 2919^2 + 1066^2 .

It is an emirp because it is prime and its reverse (7196569) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9656917 - 2³ = 9656909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9656947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828458 + 4828459.

It is an arithmetic number, because the mean of its divisors is an integer number (4828459).

Almost surely, 2^9656917 is an apocalyptic number.

It is an amenable number.

9656917 is a deficient number, since it is larger than the sum of its proper divisors (1).

9656917 is an equidigital number, since it uses as much as digits as its factorization.

9656917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 43.

The square root of 9656917 is about 3107.5580445102. The cubic root of 9656917 is about 212.9509096536.

The spelling of 9656917 in words is "nine million, six hundred fifty-six thousand, nine hundred seventeen".