89688198 has 16 divisors (see below), whose sum is σ = 179536896. Its totient is φ = 29869320.

The previous prime is 89688187. The next prime is 89688251. The reversal of 89688198 is 89188698.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315 + ... + 13457.

It is an arithmetic number, because the mean of its divisors is an integer number (11221056).

Almost surely, 2^89688198 is an apocalyptic number.

89688198 is an abundant number, since it is smaller than the sum of its proper divisors (89848698).

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

89688198 is a wasteful number, since it uses less digits than its factorization.

89688198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13379.

The product of its digits is 1990656, while the sum is 57.

The square root of 89688198 is about 9470.3853142309. The cubic root of 89688198 is about 447.6223532774.

Subtracting from 89688198 its reverse (89188698), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 89688198 in words is "eighty-nine million, six hundred eighty-eight thousand, one hundred ninety-eight".