89509900 has 36 divisors (see below), whose sum is σ = 194706288. Its totient is φ = 35717440.

The previous prime is 89509883. The next prime is 89509907. The reversal of 89509900 is 990598.

It is not an unprimeable number, because it can be changed into a prime (89509907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54897 + ... + 56503.

It is an arithmetic number, because the mean of its divisors is an integer number (5408508).

Almost surely, 2^89509900 is an apocalyptic number.

It is an amenable number.

89509900 is an abundant number, since it is smaller than the sum of its proper divisors (105196388).

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

89509900 is a wasteful number, since it uses less digits than its factorization.

89509900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 89509900 is about 9460.9671810022. The cubic root of 89509900 is about 447.3255356450.

It can be divided in two parts, 89509 and 900, that added together give a palindrome (90409).

The spelling of 89509900 in words is "eighty-nine million, five hundred nine thousand, nine hundred".