198304 has 12 divisors (see below), whose sum is σ = 390474. Its totient is φ = 99136.

The previous prime is 198301. The next prime is 198313. The reversal of 198304 is 403891.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 21904 = 420^2 + 148^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (198301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3067 + ... + 3130.

2¹⁹⁸³⁰⁴ is an apocalyptic number.

It is an amenable number.

198304 is a deficient number, since it is larger than the sum of its proper divisors (192170).

198304 is an equidigital number, since it uses as much as digits as its factorization.

198304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207 (or 6199 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 198304 is about 445.3133728062. The cubic root of 198304 is about 58.3145808203.

The spelling of 198304 in words is "one hundred ninety-eight thousand, three hundred four".