89100218 has 16 divisors (see below), whose sum is σ = 139318944. Its totient is φ = 42696720.

The previous prime is 89100217. The next prime is 89100233. The reversal of 89100218 is 81200198.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89100217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028 + ... + 13943.

It is an arithmetic number, because the mean of its divisors is an integer number (8707434).

Almost surely, 2^89100218 is an apocalyptic number.

89100218 is a deficient number, since it is larger than the sum of its proper divisors (50218726).

89100218 is a wasteful number, since it uses less digits than its factorization.

89100218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18077.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 89100218 is about 9439.2911810157. The cubic root of 89100218 is about 446.6420301503.

The spelling of 89100218 in words is "eighty-nine million, one hundred thousand, two hundred eighteen".