89100660 has 96 divisors (see below), whose sum is σ = 274563072. Its totient is φ = 21409920.

The previous prime is 89100653. The next prime is 89100677. The reversal of 89100660 is 6600198.

It is a super-2 number, since 2×89100660² = 15877855224871200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83289 + ... + 84351.

It is an arithmetic number, because the mean of its divisors is an integer number (2860032).

Almost surely, 2^89100660 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 89100660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137281536).

89100660 is an abundant number, since it is smaller than the sum of its proper divisors (185462412).

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

89100660 is a wasteful number, since it uses less digits than its factorization.

89100660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 89100660 is about 9439.3145937616. The cubic root of 89100660 is about 446.6427687024.

The spelling of 89100660 in words is "eighty-nine million, one hundred thousand, six hundred sixty".