443198 has 8 divisors (see below), whose sum is σ = 759792. Its totient is φ = 189936.

The previous prime is 443189. The next prime is 443203. The reversal of 443198 is 891344.

443198 is nontrivially palindromic in base 15.

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

It is an Ulam number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 443198.

It is a congruent number.

It is an unprimeable number.

443198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15815 + ... + 15842.

It is an arithmetic number, because the mean of its divisors is an integer number (94974).

2⁴⁴³¹⁹⁸ is an apocalyptic number.

443198 is a deficient number, since it is larger than the sum of its proper divisors (316594).

443198 is a wasteful number, since it uses less digits than its factorization.

443198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31666.

The product of its digits is 3456, while the sum is 29.

The square root of 443198 is about 665.7311769776. The cubic root of 443198 is about 76.2428749053.

The spelling of 443198 in words is "four hundred forty-three thousand, one hundred ninety-eight".