89870580 has 96 divisors (see below), whose sum is σ = 285626880. Its totient is φ = 23448960.

The previous prime is 89870569. The next prime is 89870611. The reversal of 89870580 is 8507898.

It is a super-2 number, since 2×89870580² = 16153442299072800, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 23610 + ... + 27150.

It is an arithmetic number, because the mean of its divisors is an integer number (2975280).

Almost surely, 2^89870580 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 89870580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142813440).

89870580 is an abundant number, since it is smaller than the sum of its proper divisors (195756300).

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

89870580 is a wasteful number, since it uses less digits than its factorization.

89870580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606 (or 3598 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 89870580 is about 9480.0094936661. The cubic root of 89870580 is about 447.9255629409.

The spelling of 89870580 in words is "eighty-nine million, eight hundred seventy thousand, five hundred eighty".