89493617 has 2 divisors, whose sum is σ = 89493618. Its totient is φ = 89493616.

The previous prime is 89493587. The next prime is 89493637. The reversal of 89493617 is 71639498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77721856 + 11771761 = 8816^2 + 3431^2 .

It is a cyclic number.

It is not a de Polignac number, because 89493617 - 2⁸ = 89493361 is a prime.

It is not a weakly prime, because it can be changed into another prime (89493637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44746808 + 44746809.

It is an arithmetic number, because the mean of its divisors is an integer number (44746809).

Almost surely, 2^89493617 is an apocalyptic number.

It is an amenable number.

89493617 is a deficient number, since it is larger than the sum of its proper divisors (1).

89493617 is an equidigital number, since it uses as much as digits as its factorization.

89493617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 89493617 is about 9460.1066061646. The cubic root of 89493617 is about 447.2984092474.

The spelling of 89493617 in words is "eighty-nine million, four hundred ninety-three thousand, six hundred seventeen".