198842433 has 8 divisors (see below), whose sum is σ = 266262048. Its totient is φ = 131992224.

The previous prime is 198842431. The next prime is 198842443. The reversal of 198842433 is 334248891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198842433 - 2¹ = 198842431 is a prime.

It is a super-2 number, since 2×198842433² = 79076626322718978, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (198842431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141535 + ... + 142932.

It is an arithmetic number, because the mean of its divisors is an integer number (33282756).

Almost surely, 2^198842433 is an apocalyptic number.

It is an amenable number.

198842433 is a deficient number, since it is larger than the sum of its proper divisors (67419615).

198842433 is a wasteful number, since it uses less digits than its factorization.

198842433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284703.

The product of its digits is 165888, while the sum is 42.

The square root of 198842433 is about 14101.1500594810. The cubic root of 198842433 is about 583.6731150966.

The spelling of 198842433 in words is "one hundred ninety-eight million, eight hundred forty-two thousand, four hundred thirty-three".