9606809 has 2 divisors, whose sum is σ = 9606810. Its totient is φ = 9606808.

The previous prime is 9606803. The next prime is 9606811. The reversal of 9606809 is 9086069.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 120409 = 3080^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 9606809 - 2¹² = 9602713 is a prime.

Together with 9606811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9606803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4803404 + 4803405.

It is an arithmetic number, because the mean of its divisors is an integer number (4803405).

Almost surely, 2^9606809 is an apocalyptic number.

It is an amenable number.

9606809 is a deficient number, since it is larger than the sum of its proper divisors (1).

9606809 is an equidigital number, since it uses as much as digits as its factorization.

9606809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 9606809 is about 3099.4852798489. The cubic root of 9606809 is about 212.5819494768.

The spelling of 9606809 in words is "nine million, six hundred six thousand, eight hundred nine".