89166394 has 16 divisors (see below), whose sum is σ = 142081128. Its totient is φ = 41823232.

The previous prime is 89166383. The next prime is 89166397. The reversal of 89166394 is 49366198.

It can be written as a sum of positive squares in 4 ways, for example, as 76825225 + 12341169 = 8765^2 + 3513^2 .

It is not an unprimeable number, because it can be changed into a prime (89166397) 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 in 7 ways as a sum of consecutive naturals, for example, 6642 + ... + 14914.

Almost surely, 2^89166394 is an apocalyptic number.

89166394 is a deficient number, since it is larger than the sum of its proper divisors (52914734).

89166394 is a wasteful number, since it uses less digits than its factorization.

89166394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8609.

The product of its digits is 279936, while the sum is 46.

The square root of 89166394 is about 9442.7958783403. The cubic root of 89166394 is about 446.7525785837.

The spelling of 89166394 in words is "eighty-nine million, one hundred sixty-six thousand, three hundred ninety-four".