8979661 has 2 divisors, whose sum is σ = 8979662. Its totient is φ = 8979660.

The previous prime is 8979653. The next prime is 8979671. The reversal of 8979661 is 1669798.

8979661 is digitally balanced in base 3, 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., 8964036 + 15625 = 2994^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 8979661 - 2³ = 8979653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8979611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489830 + 4489831.

It is an arithmetic number, because the mean of its divisors is an integer number (4489831).

Almost surely, 2^8979661 is an apocalyptic number.

It is an amenable number.

8979661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8979661 is an equidigital number, since it uses as much as digits as its factorization.

8979661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 8979661 is about 2996.6082493379. The cubic root of 8979661 is about 207.8515721773.

The spelling of 8979661 in words is "eight million, nine hundred seventy-nine thousand, six hundred sixty-one".