198300840 has 64 divisors (see below), whose sum is σ = 615427200. Its totient is φ = 51055872.

The previous prime is 198300833. The next prime is 198300841. The reversal of 198300840 is 48003891.

198300840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198300841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25012 + ... + 31971.

It is an arithmetic number, because the mean of its divisors is an integer number (9616050).

Almost surely, 2^198300840 is an apocalyptic number.

198300840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198300840 is an abundant number, since it is smaller than the sum of its proper divisors (417126360).

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

198300840 is a wasteful number, since it uses less digits than its factorization.

198300840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57026 (or 57022 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 198300840 is about 14081.9331059340. The cubic root of 198300840 is about 583.1427106853.

The spelling of 198300840 in words is "one hundred ninety-eight million, three hundred thousand, eight hundred forty".