198700 has 18 divisors (see below), whose sum is σ = 431396. Its totient is φ = 79440.

The previous prime is 198689. The next prime is 198701. The reversal of 198700 is 7891.

198700 = T₃₂ + T₃₃ + ... + T₁₀₆.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (198701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 894 + ... + 1093.

2¹⁹⁸⁷⁰⁰ is an apocalyptic number.

198700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198700 is an abundant number, since it is smaller than the sum of its proper divisors (232696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198700 is a wasteful number, since it uses less digits than its factorization.

198700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 198700 is about 445.7577817605. The cubic root of 198700 is about 58.3533718005.

It can be divided in two parts, 198 and 700, that added together give a palindrome (898).

The spelling of 198700 in words is "one hundred ninety-eight thousand, seven hundred".