204003404 has 12 divisors (see below), whose sum is σ = 389461128. Its totient is φ = 92728800.

The previous prime is 204003403. The next prime is 204003421. The reversal of 204003404 is 404300402.

It is not an unprimeable number, because it can be changed into a prime (204003403) by changing a digit.

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, 2318177 + ... + 2318264.

It is an arithmetic number, because the mean of its divisors is an integer number (32455094).

Almost surely, 2^204003404 is an apocalyptic number.

It is an amenable number.

204003404 is a deficient number, since it is larger than the sum of its proper divisors (185457724).

204003404 is a wasteful number, since it uses less digits than its factorization.

204003404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636456 (or 4636454 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 204003404 is about 14282.9760204238. The cubic root of 204003404 is about 588.6798059429.

Adding to 204003404 its reverse (404300402), we get a palindrome (608303806).

The spelling of 204003404 in words is "two hundred four million, three thousand, four hundred four".