198984 has 16 divisors (see below), whose sum is σ = 497520. Its totient is φ = 66320.

The previous prime is 198977. The next prime is 198997. The reversal of 198984 is 489891.

198984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198984.

It is an unprimeable number.

198984 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 3 ways as a sum of consecutive naturals, for example, 4122 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (31095).

2¹⁹⁸⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

198984 is an abundant number, since it is smaller than the sum of its proper divisors (298536).

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

198984 is a wasteful number, since it uses less digits than its factorization.

198984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300 (or 8296 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 198984 is about 446.0762266698. The cubic root of 198984 is about 58.3811598701.

The spelling of 198984 in words is "one hundred ninety-eight thousand, nine hundred eighty-four".