198869232 has 20 divisors (see below), whose sum is σ = 513745640. Its totient is φ = 66289728.

The previous prime is 198869227. The next prime is 198869233. The reversal of 198869232 is 232968891.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 4143109 = 198869232 / (1 + 9 + 8 + 8 + 6 + 9 + 2 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198869233) 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 3 ways as a sum of consecutive naturals, for example, 2071507 + ... + 2071602.

It is an arithmetic number, because the mean of its divisors is an integer number (25687282).

Almost surely, 2^198869232 is an apocalyptic number.

198869232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198869232 is an abundant number, since it is smaller than the sum of its proper divisors (314876408).

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

198869232 is a wasteful number, since it uses less digits than its factorization.

198869232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143120 (or 4143114 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 198869232 is about 14102.1002691089. The cubic root of 198869232 is about 583.6993354443.

The spelling of 198869232 in words is "one hundred ninety-eight million, eight hundred sixty-nine thousand, two hundred thirty-two".