198808 has 8 divisors (see below), whose sum is σ = 372780. Its totient is φ = 99400.

The previous prime is 198769. The next prime is 198811. The reversal of 198808 is 808891.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

198808 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 as a sum of consecutive naturals, namely, 12418 + ... + 12433.

2¹⁹⁸⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

198808 is a deficient number, since it is larger than the sum of its proper divisors (173972).

198808 is a wasteful number, since it uses less digits than its factorization.

198808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24857 (or 24853 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 198808 is about 445.8789073280. The cubic root of 198808 is about 58.3639422126.

The spelling of 198808 in words is "one hundred ninety-eight thousand, eight hundred eight".