198998300 has 72 divisors (see below), whose sum is σ = 465303552. Its totient is φ = 73656000.

The previous prime is 198998263. The next prime is 198998309. The reversal of 198998300 is 3899891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198998309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69905 + ... + 72695.

Almost surely, 2^198998300 is an apocalyptic number.

198998300 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 198998300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232651776).

198998300 is an abundant number, since it is smaller than the sum of its proper divisors (266305252).

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

198998300 is a wasteful number, since it uses less digits than its factorization.

198998300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 198998300 is about 14106.6757246348. The cubic root of 198998300 is about 583.8255835870.

The spelling of 198998300 in words is "one hundred ninety-eight million, nine hundred ninety-eight thousand, three hundred".