89788398 has 32 divisors (see below), whose sum is σ = 207836160. Its totient is φ = 25328160.

The previous prime is 89788397. The next prime is 89788411. The reversal of 89788398 is 89388798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89788397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10213 + ... + 16848.

It is an arithmetic number, because the mean of its divisors is an integer number (6494880).

Almost surely, 2^89788398 is an apocalyptic number.

89788398 is an abundant number, since it is smaller than the sum of its proper divisors (118047762).

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

89788398 is a wasteful number, since it uses less digits than its factorization.

89788398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27152.

The product of its digits is 6967296, while the sum is 60.

The square root of 89788398 is about 9475.6740129660. The cubic root of 89788398 is about 447.7889863770.

The spelling of 89788398 in words is "eighty-nine million, seven hundred eighty-eight thousand, three hundred ninety-eight".