438198 has 16 divisors (see below), whose sum is σ = 883200. Its totient is φ = 144936.

The previous prime is 438169. The next prime is 438203. The reversal of 438198 is 891834.

438198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (55200).

2⁴³⁸¹⁹⁸ is an apocalyptic number.

438198 is an abundant number, since it is smaller than the sum of its proper divisors (445002).

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

438198 is a wasteful number, since it uses less digits than its factorization.

438198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 6912, while the sum is 33.

The square root of 438198 is about 661.9652558858. The cubic root of 438198 is about 75.9550750190.

It can be divided in two parts, 438 and 198, that added together give a palindrome (636).

The spelling of 438198 in words is "four hundred thirty-eight thousand, one hundred ninety-eight".