198494900 has 36 divisors (see below), whose sum is σ = 453408480. Its totient is φ = 75218400.

The previous prime is 198494893. The next prime is 198494909. The reversal of 198494900 is 9494891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198494909) 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, 50336 + ... + 54135.

It is an arithmetic number, because the mean of its divisors is an integer number (12594680).

Almost surely, 2^198494900 is an apocalyptic number.

198494900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198494900 is an abundant number, since it is smaller than the sum of its proper divisors (254913580).

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

198494900 is a wasteful number, since it uses less digits than its factorization.

198494900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104504 (or 104497 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 198494900 is about 14088.8218102154. The cubic root of 198494900 is about 583.3328725620.

The spelling of 198494900 in words is "one hundred ninety-eight million, four hundred ninety-four thousand, nine hundred".