198238342 has 16 divisors (see below), whose sum is σ = 305843472. Its totient is φ = 96314400.

The previous prime is 198238331. The next prime is 198238361. The reversal of 198238342 is 243832891.

It is a junction number, because it is equal to n+sod(n) for n = 198238295 and 198238304.

It is a congruent number.

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, 11092 + ... + 22792.

It is an arithmetic number, because the mean of its divisors is an integer number (19115217).

Almost surely, 2^198238342 is an apocalyptic number.

198238342 is a deficient number, since it is larger than the sum of its proper divisors (107605130).

198238342 is a wasteful number, since it uses less digits than its factorization.

198238342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943.

The product of its digits is 82944, while the sum is 40.

The square root of 198238342 is about 14079.7138465240. The cubic root of 198238342 is about 583.0814416852.

The spelling of 198238342 in words is "one hundred ninety-eight million, two hundred thirty-eight thousand, three hundred forty-two".