198744452 has 24 divisors (see below), whose sum is σ = 357794976. Its totient is φ = 96542208.

The previous prime is 198744439. The next prime is 198744457. The reversal of 198744452 is 254447891.

It is not an unprimeable number, because it can be changed into a prime (198744457) 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 7 ways as a sum of consecutive naturals, for example, 30203 + ... + 36189.

It is an arithmetic number, because the mean of its divisors is an integer number (14908124).

Almost surely, 2^198744452 is an apocalyptic number.

It is an amenable number.

198744452 is a deficient number, since it is larger than the sum of its proper divisors (159050524).

198744452 is a wasteful number, since it uses less digits than its factorization.

198744452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227 (or 6225 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 198744452 is about 14097.6754112159. The cubic root of 198744452 is about 583.5772296752.

The spelling of 198744452 in words is "one hundred ninety-eight million, seven hundred forty-four thousand, four hundred fifty-two".