198888600 has 96 divisors (see below), whose sum is σ = 619871040. Its totient is φ = 52752000.

The previous prime is 198888589. The next prime is 198888601. The reversal of 198888600 is 6888891.

It is a self number, because there is not a number n which added to its sum of digits gives 198888600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198888601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125815 + ... + 127385.

It is an arithmetic number, because the mean of its divisors is an integer number (6456990).

Almost surely, 2^198888600 is an apocalyptic number.

198888600 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 198888600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309935520).

198888600 is an abundant number, since it is smaller than the sum of its proper divisors (420982440).

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

198888600 is a wasteful number, since it uses less digits than its factorization.

198888600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 198888600 is about 14102.7869586121. The cubic root of 198888600 is about 583.7182837780.

The spelling of 198888600 in words is "one hundred ninety-eight million, eight hundred eighty-eight thousand, six hundred".