89885940 has 96 divisors (see below), whose sum is σ = 262483200. Its totient is φ = 22963200.

The previous prime is 89885891. The next prime is 89885947. The reversal of 89885940 is 4958898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89885947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149761 + ... + 150359.

It is an arithmetic number, because the mean of its divisors is an integer number (2734200).

Almost surely, 2^89885940 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 89885940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131241600).

89885940 is an abundant number, since it is smaller than the sum of its proper divisors (172597260).

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

89885940 is a wasteful number, since it uses less digits than its factorization.

89885940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 89885940 is about 9480.8195848249. The cubic root of 89885940 is about 447.9510801707.

The spelling of 89885940 in words is "eighty-nine million, eight hundred eighty-five thousand, nine hundred forty".