898188 has 36 divisors (see below), whose sum is σ = 2194920. Its totient is φ = 285824.

The previous prime is 898181. The next prime is 898189. The reversal of 898188 is 881898.

It is a happy number.

898188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (898181) by changing a digit.

898188 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10048 + ... + 10136.

It is an arithmetic number, because the mean of its divisors is an integer number (60970).

2⁸⁹⁸¹⁸⁸ 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 898188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097460).

898188 is an abundant number, since it is smaller than the sum of its proper divisors (1296732).

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

898188 is a wasteful number, since it uses less digits than its factorization.

898188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 123 counting only the distinct ones).

The product of its digits is 36864, while the sum is 42.

The square root of 898188 is about 947.7278090254. The cubic root of 898188 is about 96.4840998618.

Subtracting from 898188 its reverse (881898), we obtain a triangular number (16290 = T₁₈₀).

The spelling of 898188 in words is "eight hundred ninety-eight thousand, one hundred eighty-eight".