89974584 has 96 divisors (see below), whose sum is σ = 290768400. Its totient is φ = 25704000.

The previous prime is 89974571. The next prime is 89974589. The reversal of 89974584 is 48547998.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 89974584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89974589) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6334 + ... + 14834.

Almost surely, 2^89974584 is an apocalyptic number.

89974584 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89974584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145384200).

89974584 is an abundant number, since it is smaller than the sum of its proper divisors (200793816).

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

89974584 is a wasteful number, since it uses less digits than its factorization.

89974584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8530 (or 8513 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 89974584 is about 9485.4933451034. The cubic root of 89974584 is about 448.0982857274.

The spelling of 89974584 in words is "eighty-nine million, nine hundred seventy-four thousand, five hundred eighty-four".