198424392 has 32 divisors (see below), whose sum is σ = 496428000. Its totient is φ = 66092544.

The previous prime is 198424349. The next prime is 198424411. The reversal of 198424392 is 293424891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46359 + ... + 50457.

It is an arithmetic number, because the mean of its divisors is an integer number (15513375).

Almost surely, 2^198424392 is an apocalyptic number.

198424392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198424392 is an abundant number, since it is smaller than the sum of its proper divisors (298003608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198424392 is a wasteful number, since it uses less digits than its factorization.

198424392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125 (or 6121 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 198424392 is about 14086.3193205322. The cubic root of 198424392 is about 583.2637952119.

The spelling of 198424392 in words is "one hundred ninety-eight million, four hundred twenty-four thousand, three hundred ninety-two".