89231900 has 36 divisors (see below), whose sum is σ = 194596920. Its totient is φ = 35515200.

The previous prime is 89231893. The next prime is 89231903. The reversal of 89231900 is 913298.

It is a super-2 number, since 2×89231900² = 15924663955220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89231903) 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, 18986 + ... + 23214.

It is an arithmetic number, because the mean of its divisors is an integer number (5405470).

Almost surely, 2^89231900 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 89231900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97298460).

89231900 is an abundant number, since it is smaller than the sum of its proper divisors (105365020).

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

89231900 is a wasteful number, since it uses less digits than its factorization.

89231900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454 (or 4447 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 89231900 is about 9446.2638116877. The cubic root of 89231900 is about 446.8619539119.

The spelling of 89231900 in words is "eighty-nine million, two hundred thirty-one thousand, nine hundred".