8956609 has 2 divisors, whose sum is σ = 8956610. Its totient is φ = 8956608.

The previous prime is 8956567. The next prime is 8956631. The reversal of 8956609 is 9066598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5452225 + 3504384 = 2335^2 + 1872^2 .

It is a cyclic number.

It is not a de Polignac number, because 8956609 - 2⁷ = 8956481 is a prime.

It is not a weakly prime, because it can be changed into another prime (8956699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4478304 + 4478305.

It is an arithmetic number, because the mean of its divisors is an integer number (4478305).

Almost surely, 2^8956609 is an apocalyptic number.

It is an amenable number.

8956609 is a deficient number, since it is larger than the sum of its proper divisors (1).

8956609 is an equidigital number, since it uses as much as digits as its factorization.

8956609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 8956609 is about 2992.7594290220. The cubic root of 8956609 is about 207.6735587627.

The spelling of 8956609 in words is "eight million, nine hundred fifty-six thousand, six hundred nine".