198384 has 20 divisors (see below), whose sum is σ = 512616. Its totient is φ = 66112.

The previous prime is 198377. The next prime is 198391. The reversal of 198384 is 483891.

It is an interprime number because it is at equal distance from previous prime (198377) and next prime (198391).

It is a super-2 number, since 2×198384² = 78712422912, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 198384.

It is an unprimeable number.

198384 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, 2019 + ... + 2114.

2¹⁹⁸³⁸⁴ is an apocalyptic number.

It is an amenable number.

198384 is an abundant number, since it is smaller than the sum of its proper divisors (314232).

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

198384 is a wasteful number, since it uses less digits than its factorization.

198384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144 (or 4138 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 198384 is about 445.4031881341. The cubic root of 198384 is about 58.3224215417.

The spelling of 198384 in words is "one hundred ninety-eight thousand, three hundred eighty-four".