198080 has 28 divisors (see below), whose sum is σ = 472440. Its totient is φ = 79104.

The previous prime is 198073. The next prime is 198083. The reversal of 198080 is 80891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 629.

2¹⁹⁸⁰⁸⁰ is an apocalyptic number.

198080 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 198080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236220).

198080 is an abundant number, since it is smaller than the sum of its proper divisors (274360).

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

198080 is an equidigital number, since it uses as much as digits as its factorization.

198080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 198080 is about 445.0617934624. The cubic root of 198080 is about 58.2926155758.

The spelling of 198080 in words is "one hundred ninety-eight thousand, eighty".