198828432 has 120 divisors (see below), whose sum is σ = 629647200. Its totient is φ = 60238080.

The previous prime is 198828349. The next prime is 198828473. The reversal of 198828432 is 234828891.

198828432 is a `hidden beast` number, since 198 + 8 + 28 + 432 = 666.

198828432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40444 + ... + 45092.

It is an arithmetic number, because the mean of its divisors is an integer number (5247060).

Almost surely, 2^198828432 is an apocalyptic number.

198828432 is a gapful number since it is divisible by the number (12) 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 198828432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314823600).

198828432 is an abundant number, since it is smaller than the sum of its proper divisors (430818768).

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

198828432 is a wasteful number, since it uses less digits than its factorization.

198828432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4665 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 198828432 is about 14100.6536018725. The cubic root of 198828432 is about 583.6594154736.

The spelling of 198828432 in words is "one hundred ninety-eight million, eight hundred twenty-eight thousand, four hundred thirty-two".