89988040 has 48 divisors (see below), whose sum is σ = 209304540. Its totient is φ = 34819200.

The previous prime is 89988037. The next prime is 89988061. The reversal of 89988040 is 4088998.

It can be written as a sum of positive squares in 2 ways, for example, as 89984196 + 3844 = 9486^2 + 62^2 .

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, 37270 + ... + 39610.

Almost surely, 2^89988040 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 89988040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104652270).

89988040 is an abundant number, since it is smaller than the sum of its proper divisors (119316500).

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

89988040 is a wasteful number, since it uses less digits than its factorization.

89988040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 89988040 is about 9486.2026122153. The cubic root of 89988040 is about 448.1206228131.

The spelling of 89988040 in words is "eighty-nine million, nine hundred eighty-eight thousand, forty".