198484900 has 18 divisors (see below), whose sum is σ = 430712450. Its totient is φ = 79393920.

The previous prime is 198484879. The next prime is 198484907. The reversal of 198484900 is 9484891.

198484900 is digitally balanced in base 2, 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 3 ways, for example, as 11943936 + 186540964 = 3456^2 + 13658^2 .

It is not an unprimeable number, because it can be changed into a prime (198484907) 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, 992325 + ... + 992524.

Almost surely, 2^198484900 is an apocalyptic number.

198484900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198484900 is an abundant number, since it is smaller than the sum of its proper divisors (232227550).

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

198484900 is a wasteful number, since it uses less digits than its factorization.

198484900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984863 (or 1984856 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 198484900 is about 14088.4669144659. The cubic root of 198484900 is about 583.3230764636.

The spelling of 198484900 in words is "one hundred ninety-eight million, four hundred eighty-four thousand, nine hundred".