9706657 has 2 divisors, whose sum is σ = 9706658. Its totient is φ = 9706656.

The previous prime is 9706649. The next prime is 9706661. The reversal of 9706657 is 7566079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 2742336 = 2639^2 + 1656^2 .

It is an emirp because it is prime and its reverse (7566079) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9706657 - 2³ = 9706649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9706687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4853328 + 4853329.

It is an arithmetic number, because the mean of its divisors is an integer number (4853329).

Almost surely, 2^9706657 is an apocalyptic number.

It is an amenable number.

9706657 is a deficient number, since it is larger than the sum of its proper divisors (1).

9706657 is an equidigital number, since it uses as much as digits as its factorization.

9706657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 9706657 is about 3115.5508341223. The cubic root of 9706657 is about 213.3158999968.

The spelling of 9706657 in words is "nine million, seven hundred six thousand, six hundred fifty-seven".