89196660 has 144 divisors (see below), whose sum is σ = 322902720. Its totient is φ = 20381760.

The previous prime is 89196649. The next prime is 89196683. The reversal of 89196660 is 6669198.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24775 + ... + 28145.

It is an arithmetic number, because the mean of its divisors is an integer number (2242380).

Almost surely, 2^89196660 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 89196660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161451360).

89196660 is an abundant number, since it is smaller than the sum of its proper divisors (233706060).

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

89196660 is a wasteful number, since it uses less digits than its factorization.

89196660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 89196660 is about 9444.3983397567. The cubic root of 89196660 is about 446.8031203605.

The spelling of 89196660 in words is "eighty-nine million, one hundred ninety-six thousand, six hundred sixty".