198539400 has 48 divisors (see below), whose sum is σ = 615474000. Its totient is φ = 52943680.

The previous prime is 198539389. The next prime is 198539477. The reversal of 198539400 is 4935891.

198539400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164850 + ... + 166049.

It is an arithmetic number, because the mean of its divisors is an integer number (12822375).

Almost surely, 2^198539400 is an apocalyptic number.

198539400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198539400 is an abundant number, since it is smaller than the sum of its proper divisors (416934600).

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

198539400 is a wasteful number, since it uses less digits than its factorization.

198539400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330918 (or 330909 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 198539400 is about 14090.4009879066. The cubic root of 198539400 is about 583.3764612104.

The spelling of 198539400 in words is "one hundred ninety-eight million, five hundred thirty-nine thousand, four hundred".