89518284 has 66 divisors (see below), whose sum is σ = 235604180. Its totient is φ = 29760696.

The previous prime is 89518283. The next prime is 89518301. The reversal of 89518284 is 48281598.

It is a happy number.

Its product of digits (184320) is a multiple of the sum of its prime divisors (384).

It is not an unprimeable number, because it can be changed into a prime (89518283) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 236007 + ... + 236385.

Almost surely, 2^89518284 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 89518284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117802090).

89518284 is an abundant number, since it is smaller than the sum of its proper divisors (146085896).

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

89518284 is an equidigital number, since it uses as much as digits as its factorization.

89518284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 384 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 89518284 is about 9461.4102542908. The cubic root of 89518284 is about 447.3395015498.

The spelling of 89518284 in words is "eighty-nine million, five hundred eighteen thousand, two hundred eighty-four".