198850 has 24 divisors (see below), whose sum is σ = 382788. Its totient is φ = 76800.

The previous prime is 198841. The next prime is 198851. The reversal of 198850 is 58891.

198850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 21609 + 177241 = 147^2 + 421^2 .

It is not an unprimeable number, because it can be changed into a prime (198851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2002 + ... + 2098.

2¹⁹⁸⁸⁵⁰ is an apocalyptic number.

198850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198850 is a deficient number, since it is larger than the sum of its proper divisors (183938).

198850 is a wasteful number, since it uses less digits than its factorization.

198850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 198850 is about 445.9260028301. The cubic root of 198850 is about 58.3680518946.

The spelling of 198850 in words is "one hundred ninety-eight thousand, eight hundred fifty".