198289000 has 128 divisors (see below), whose sum is σ = 571334400. Its totient is φ = 62726400.

The previous prime is 198288977. The next prime is 198289001. The reversal of 198289000 is 982891.

198289000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198289001) 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, 89911 + ... + 92089.

It is an arithmetic number, because the mean of its divisors is an integer number (4463550).

Almost surely, 2^198289000 is an apocalyptic number.

198289000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198289000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285667200).

198289000 is an abundant number, since it is smaller than the sum of its proper divisors (373045400).

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

198289000 is a wasteful number, since it uses less digits than its factorization.

198289000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 198289000 is about 14081.5127028313. The cubic root of 198289000 is about 583.1311045030.

The spelling of 198289000 in words is "one hundred ninety-eight million, two hundred eighty-nine thousand".