9656321 has 2 divisors, whose sum is σ = 9656322. Its totient is φ = 9656320.

The previous prime is 9656281. The next prime is 9656347. The reversal of 9656321 is 1236569.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 3097600 = 2561^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 9656321 - 2¹⁴ = 9639937 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (9656821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828160 + 4828161.

It is an arithmetic number, because the mean of its divisors is an integer number (4828161).

Almost surely, 2^9656321 is an apocalyptic number.

It is an amenable number.

9656321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9656321 is an equidigital number, since it uses as much as digits as its factorization.

9656321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 9656321 is about 3107.4621477984. The cubic root of 9656321 is about 212.9465286365.

The spelling of 9656321 in words is "nine million, six hundred fifty-six thousand, three hundred twenty-one".