8985161 has 2 divisors, whose sum is σ = 8985162. Its totient is φ = 8985160.

The previous prime is 8985149. The next prime is 8985167. The reversal of 8985161 is 1615898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8094025 + 891136 = 2845^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 8985161 - 2¹⁸ = 8723017 is a prime.

It is not a weakly prime, because it can be changed into another prime (8985167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492580 + 4492581.

It is an arithmetic number, because the mean of its divisors is an integer number (4492581).

Almost surely, 2^8985161 is an apocalyptic number.

It is an amenable number.

8985161 is a deficient number, since it is larger than the sum of its proper divisors (1).

8985161 is an equidigital number, since it uses as much as digits as its factorization.

8985161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 38.

The square root of 8985161 is about 2997.5258130665. The cubic root of 8985161 is about 207.8939995521.

The spelling of 8985161 in words is "eight million, nine hundred eighty-five thousand, one hundred sixty-one".