89987316 has 36 divisors (see below), whose sum is σ = 219483936. Its totient is φ = 28641360.

The previous prime is 89987267. The next prime is 89987323. The reversal of 89987316 is 61378998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157311 + ... + 157881.

It is an arithmetic number, because the mean of its divisors is an integer number (6096776).

Almost surely, 2^89987316 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 89987316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109741968).

89987316 is an abundant number, since it is smaller than the sum of its proper divisors (129496620).

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

89987316 is a wasteful number, since it uses less digits than its factorization.

89987316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 599 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 89987316 is about 9486.1644514524. The cubic root of 89987316 is about 448.1194210230.

The spelling of 89987316 in words is "eighty-nine million, nine hundred eighty-seven thousand, three hundred sixteen".