89109400 has 48 divisors (see below), whose sum is σ = 212252040. Its totient is φ = 34771200.

The previous prime is 89109389. The next prime is 89109401. The reversal of 89109400 is 490198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89109401) 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, 2767 + ... + 13633.

Almost surely, 2^89109400 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 89109400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106126020).

89109400 is an abundant number, since it is smaller than the sum of its proper divisors (123142640).

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

89109400 is a wasteful number, since it uses less digits than its factorization.

89109400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10924 (or 10915 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 89109400 is about 9439.7775397517. Note that the first 3 decimals coincide. The cubic root of 89109400 is about 446.6573721489.

Adding to 89109400 its reverse (490198), we get a palindrome (89599598).

The spelling of 89109400 in words is "eighty-nine million, one hundred nine thousand, four hundred".