198328 has 16 divisors (see below), whose sum is σ = 400680. Its totient is φ = 91488.

The previous prime is 198323. The next prime is 198337. The reversal of 198328 is 823891.

It is a self number, because there is not a number n which added to its sum of digits gives 198328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198323) 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, 850 + ... + 1057.

2¹⁹⁸³²⁸ is an apocalyptic number.

It is an amenable number.

198328 is an abundant number, since it is smaller than the sum of its proper divisors (202352).

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

198328 is a wasteful number, since it uses less digits than its factorization.

198328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1922 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 198328 is about 445.3403193065. The cubic root of 198328 is about 58.3169332581.

The spelling of 198328 in words is "one hundred ninety-eight thousand, three hundred twenty-eight".