198350442 has 12 divisors (see below), whose sum is σ = 429759330. Its totient is φ = 66116808.

The previous prime is 198350393. The next prime is 198350447. The reversal of 198350442 is 244053891.

198350442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 166642281 + 31708161 = 12909^2 + 5631^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 198350397 and 198350406.

It is not an unprimeable number, because it can be changed into a prime (198350447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5509717 + ... + 5509752.

Almost surely, 2^198350442 is an apocalyptic number.

198350442 is an abundant number, since it is smaller than the sum of its proper divisors (231408888).

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

198350442 is a wasteful number, since it uses less digits than its factorization.

198350442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019477 (or 11019474 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 198350442 is about 14083.6941886708. The cubic root of 198350442 is about 583.1913281182.

It can be divided in two parts, 1983 and 50442, that added together give a palindrome (52425).

The spelling of 198350442 in words is "one hundred ninety-eight million, three hundred fifty thousand, four hundred forty-two".