89199198 has 64 divisors (see below), whose sum is σ = 225676800. Its totient is φ = 25850880.

The previous prime is 89199197. The next prime is 89199203.

89199198 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89199191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10398 + ... + 16926.

It is an arithmetic number, because the mean of its divisors is an integer number (3526200).

Almost surely, 2^89199198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89199198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112838400).

89199198 is an abundant number, since it is smaller than the sum of its proper divisors (136477602).

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

89199198 is a wasteful number, since it uses less digits than its factorization.

89199198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574 (or 6568 counting only the distinct ones).

The product of its digits is 419904, while the sum is 54.

The square root of 89199198 is about 9444.5327041628. The cubic root of 89199198 is about 446.8073580960.

The spelling of 89199198 in words is "eighty-nine million, one hundred ninety-nine thousand, one hundred ninety-eight".