198544360 has 128 divisors (see below), whose sum is σ = 551473920. Its totient is φ = 62779392.

The previous prime is 198544337. The next prime is 198544363. The reversal of 198544360 is 63445891.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (198544363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251887 + ... + 252673.

It is an arithmetic number, because the mean of its divisors is an integer number (4308390).

Almost surely, 2^198544360 is an apocalyptic number.

198544360 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 198544360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275736960).

198544360 is an abundant number, since it is smaller than the sum of its proper divisors (352929560).

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

198544360 is a wasteful number, since it uses less digits than its factorization.

198544360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 198544360 is about 14090.5769931540. The cubic root of 198544360 is about 583.3813192271.

The spelling of 198544360 in words is "one hundred ninety-eight million, five hundred forty-four thousand, three hundred sixty".