89636808 has 16 divisors (see below), whose sum is σ = 224092080. Its totient is φ = 29878928.

The previous prime is 89636803. The next prime is 89636863. The reversal of 89636808 is 80863698.

It is not an unprimeable number, because it can be changed into a prime (89636803) 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 3 ways as a sum of consecutive naturals, for example, 1867410 + ... + 1867457.

It is an arithmetic number, because the mean of its divisors is an integer number (14005755).

Almost surely, 2^89636808 is an apocalyptic number.

It is an amenable number.

89636808 is an abundant number, since it is smaller than the sum of its proper divisors (134455272).

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

89636808 is a wasteful number, since it uses less digits than its factorization.

89636808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734876 (or 3734872 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 89636808 is about 9467.6717306844. The cubic root of 89636808 is about 447.5368432989.

The spelling of 89636808 in words is "eighty-nine million, six hundred thirty-six thousand, eight hundred eight".