89218908 has 72 divisors (see below), whose sum is σ = 246238720. Its totient is φ = 28168560.

The previous prime is 89218903. The next prime is 89218919. The reversal of 89218908 is 80981298.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89218901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16053 + ... + 20883.

Almost surely, 2^89218908 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 89218908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123119360).

89218908 is an abundant number, since it is smaller than the sum of its proper divisors (157019812).

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

89218908 is a wasteful number, since it uses less digits than its factorization.

89218908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869 (or 4855 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 89218908 is about 9445.5761073637. The cubic root of 89218908 is about 446.8402654340.

The spelling of 89218908 in words is "eighty-nine million, two hundred eighteen thousand, nine hundred eight".