198343424 has 18 divisors (see below), whose sum is σ = 395912580. Its totient is φ = 99171584.

The previous prime is 198343423. The next prime is 198343447. The reversal of 198343424 is 424343891.

198343424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×198343424³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (198343423) 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, 387134 + ... + 387645.

Almost surely, 2^198343424 is an apocalyptic number.

It is an amenable number.

198343424 is a deficient number, since it is larger than the sum of its proper divisors (197569156).

198343424 is an frugal number, since it uses more digits than its factorization.

198343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774795 (or 774781 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 198343424 is about 14083.4450330876. The cubic root of 198343424 is about 583.1844499132.

The spelling of 198343424 in words is "one hundred ninety-eight million, three hundred forty-three thousand, four hundred twenty-four".