89009800 has 48 divisors (see below), whose sum is σ = 225766800. Its totient is φ = 32366400.

The previous prime is 89009779. The next prime is 89009801. The reversal of 89009800 is 890098.

It is not an unprimeable number, because it can be changed into a prime (89009801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18030 + ... + 22429.

It is an arithmetic number, because the mean of its divisors is an integer number (4703475).

Almost surely, 2^89009800 is an apocalyptic number.

It is an amenable number.

89009800 is an abundant number, since it is smaller than the sum of its proper divisors (136757000).

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

89009800 is a wasteful number, since it uses less digits than its factorization.

89009800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40486 (or 40477 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 89009800 is about 9434.5005167205. The cubic root of 89009800 is about 446.4908964109.

Adding to 89009800 its reverse (890098), we get a palindrome (89899898).

Multiplying 89009800 by its reverse (890098), we get a square (79227444960400 = 8900980²).

89009800 divided by its reverse (890098) gives a square (100 = 10²).

The spelling of 89009800 in words is "eighty-nine million, nine thousand, eight hundred".