198253800 has 144 divisors (see below), whose sum is σ = 674331840. Its totient is φ = 52191360.

The previous prime is 198253799. The next prime is 198253829. The reversal of 198253800 is 8352891.

198253800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 148737 + ... + 150063.

It is an arithmetic number, because the mean of its divisors is an integer number (4682860).

Almost surely, 2^198253800 is an apocalyptic number.

198253800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198253800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337165920).

198253800 is an abundant number, since it is smaller than the sum of its proper divisors (476078040).

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

198253800 is a wasteful number, since it uses less digits than its factorization.

198253800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 198253800 is about 14080.2627816387. The cubic root of 198253800 is about 583.0965969079.

The spelling of 198253800 in words is "one hundred ninety-eight million, two hundred fifty-three thousand, eight hundred".