198493424 has 20 divisors (see below), whose sum is σ = 389851536. Its totient is φ = 97886592.

The previous prime is 198493391. The next prime is 198493433. The reversal of 198493424 is 424394891.

198493424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83804 + ... + 86139.

Almost surely, 2^198493424 is an apocalyptic number.

It is an amenable number.

198493424 is a deficient number, since it is larger than the sum of its proper divisors (191358112).

198493424 is a wasteful number, since it uses less digits than its factorization.

198493424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170024 (or 170018 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 198493424 is about 14088.7694281651. The cubic root of 198493424 is about 583.3314266786.

The spelling of 198493424 in words is "one hundred ninety-eight million, four hundred ninety-three thousand, four hundred twenty-four".