204431344 has 20 divisors (see below), whose sum is σ = 426554296. Its totient is φ = 94352832.

The previous prime is 204431333. The next prime is 204431363. The reversal of 204431344 is 443134402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491214 + ... + 491629.

Almost surely, 2^204431344 is an apocalyptic number.

It is an amenable number.

204431344 is an abundant number, since it is smaller than the sum of its proper divisors (222122952).

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

204431344 is a wasteful number, since it uses less digits than its factorization.

204431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982864 (or 982858 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 204431344 is about 14297.9489438171. The cubic root of 204431344 is about 589.0911449773.

Adding to 204431344 its reverse (443134402), we get a palindrome (647565746).

The spelling of 204431344 in words is "two hundred four million, four hundred thirty-one thousand, three hundred forty-four".