198329 has 4 divisors (see below), whose sum is σ = 206976. Its totient is φ = 189684.

The previous prime is 198323. The next prime is 198337. The reversal of 198329 is 923891.

198329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923891 = 193 ⋅4787.

It is a cyclic number.

It is not a de Polignac number, because 198329 - 2⁴ = 198313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198295 and 198304.

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, 4289 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (51744).

2¹⁹⁸³²⁹ is an apocalyptic number.

It is an amenable number.

198329 is a deficient number, since it is larger than the sum of its proper divisors (8647).

198329 is an equidigital number, since it uses as much as digits as its factorization.

198329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8646.

The product of its digits is 3888, while the sum is 32.

The square root of 198329 is about 445.3414420419. The cubic root of 198329 is about 58.3170312723.

The spelling of 198329 in words is "one hundred ninety-eight thousand, three hundred twenty-nine".