It is a tau number, because it is divible by the number of its divisors (72).
It is a nude number because it is divisible by every one of its digits.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198432.
198432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2198432 is an apocalyptic number.
198432 is a gapful number since it is divisible by the number (12) 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 198432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
198432 is a wasteful number, since it uses less digits than its factorization.
198432 is an evil number, because the sum of its binary digits is even.
The square root of 198432 is about 445.4570686385. The cubic root of 198432 is about 58.3271249629.
The spelling of 198432 in words is "one hundred ninety-eight thousand, four hundred thirty-two".