89601906 has 16 divisors (see below), whose sum is σ = 182585664. Its totient is φ = 29303664.

The previous prime is 89601887. The next prime is 89601913. The reversal of 89601906 is 60910698.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140566 + ... + 141201.

It is an arithmetic number, because the mean of its divisors is an integer number (11411604).

Almost surely, 2^89601906 is an apocalyptic number.

89601906 is an abundant number, since it is smaller than the sum of its proper divisors (92983758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89601906 is a wasteful number, since it uses less digits than its factorization.

89601906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281825.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 89601906 is about 9465.8283314246. The cubic root of 89601906 is about 447.4787497582.

The spelling of 89601906 in words is "eighty-nine million, six hundred one thousand, nine hundred six".