89136208 has 40 divisors (see below), whose sum is σ = 199147968. Its totient is φ = 37857792.

The previous prime is 89136193. The next prime is 89136209. The reversal of 89136208 is 80263198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89136209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9135 + ... + 16177.

Almost surely, 2^89136208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89136208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99573984).

89136208 is an abundant number, since it is smaller than the sum of its proper divisors (110011760).

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

89136208 is a wasteful number, since it uses less digits than its factorization.

89136208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171 (or 7165 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 89136208 is about 9441.1973816884. The cubic root of 89136208 is about 446.7021590074.

The spelling of 89136208 in words is "eighty-nine million, one hundred thirty-six thousand, two hundred eight".