9659761 has 2 divisors, whose sum is σ = 9659762. Its totient is φ = 9659760.

The previous prime is 9659759. The next prime is 9659773. The reversal of 9659761 is 1679569.

9659761 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., 5880625 + 3779136 = 2425^2 + 1944^2 .

It is a cyclic number.

It is not a de Polignac number, because 9659761 - 2¹ = 9659759 is a prime.

Together with 9659759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9659711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4829880 + 4829881.

It is an arithmetic number, because the mean of its divisors is an integer number (4829881).

Almost surely, 2^9659761 is an apocalyptic number.

It is an amenable number.

9659761 is a deficient number, since it is larger than the sum of its proper divisors (1).

9659761 is an equidigital number, since it uses as much as digits as its factorization.

9659761 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 9659761 is about 3108.0156048514. The cubic root of 9659761 is about 212.9718125616.

The spelling of 9659761 in words is "nine million, six hundred fifty-nine thousand, seven hundred sixty-one".