198542024 has 16 divisors (see below), whose sum is σ = 372473100. Its totient is φ = 99215872.

The previous prime is 198542023. The next prime is 198542027. The reversal of 198542024 is 420245891.

It can be written as a sum of positive squares in 2 ways, for example, as 198528100 + 13924 = 14090^2 + 118^2 .

It is not an unprimeable number, because it can be changed into a prime (198542023) 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, 11204 + ... + 22860.

Almost surely, 2^198542024 is an apocalyptic number.

It is an amenable number.

198542024 is a deficient number, since it is larger than the sum of its proper divisors (173931076).

198542024 is a wasteful number, since it uses less digits than its factorization.

198542024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13792 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 198542024 is about 14090.4941006339. The cubic root of 198542024 is about 583.3790312680.

The spelling of 198542024 in words is "one hundred ninety-eight million, five hundred forty-two thousand, twenty-four".