198368 has 12 divisors (see below), whose sum is σ = 390600. Its totient is φ = 99168.

The previous prime is 198349. The next prime is 198377. The reversal of 198368 is 863891.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 198368.

It is an unprimeable number.

198368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (32550).

2¹⁹⁸³⁶⁸ is an apocalyptic number.

It is an amenable number.

198368 is a deficient number, since it is larger than the sum of its proper divisors (192232).

198368 is an equidigital number, since it uses as much as digits as its factorization.

198368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209 (or 6201 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 198368 is about 445.3852265174. The cubic root of 198368 is about 58.3208535661.

The spelling of 198368 in words is "one hundred ninety-eight thousand, three hundred sixty-eight".