198839232 has 112 divisors (see below), whose sum is σ = 610087680. Its totient is φ = 63385344.

The previous prime is 198839231. The next prime is 198839243. The reversal of 198839232 is 232938891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198839231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37243 + ... + 42245.

Almost surely, 2^198839232 is an apocalyptic number.

198839232 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 198839232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305043840).

198839232 is an abundant number, since it is smaller than the sum of its proper divisors (411248448).

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

198839232 is a wasteful number, since it uses less digits than its factorization.

198839232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5031 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 198839232 is about 14101.0365576436. The cubic root of 198839232 is about 583.6699830561.

The spelling of 198839232 in words is "one hundred ninety-eight million, eight hundred thirty-nine thousand, two hundred thirty-two".