198744232 has 8 divisors (see below), whose sum is σ = 372645450. Its totient is φ = 99372112.

The previous prime is 198744211. The next prime is 198744233. The reversal of 198744232 is 232447891.

It can be written as a sum of positive squares in only one way, i.e., 114361636 + 84382596 = 10694^2 + 9186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (198744233) 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 as a sum of consecutive naturals, namely, 12421507 + ... + 12421522.

Almost surely, 2^198744232 is an apocalyptic number.

It is an amenable number.

198744232 is a deficient number, since it is larger than the sum of its proper divisors (173901218).

198744232 is a wasteful number, since it uses less digits than its factorization.

198744232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24843035 (or 24843031 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 198744232 is about 14097.6676085089. The cubic root of 198744232 is about 583.5770143450.

The spelling of 198744232 in words is "one hundred ninety-eight million, seven hundred forty-four thousand, two hundred thirty-two".