198908 has 6 divisors (see below), whose sum is σ = 348096. Its totient is φ = 99452.

The previous prime is 198901. The next prime is 198929. The reversal of 198908 is 809891.

It is a happy number.

198908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198901) by changing a digit.

198908 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, 24860 + ... + 24867.

It is an arithmetic number, because the mean of its divisors is an integer number (58016).

2¹⁹⁸⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

198908 is a deficient number, since it is larger than the sum of its proper divisors (149188).

198908 is a wasteful number, since it uses less digits than its factorization.

198908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49731 (or 49729 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 198908 is about 445.9910313000. The cubic root of 198908 is about 58.3737262185.

The spelling of 198908 in words is "one hundred ninety-eight thousand, nine hundred eight".