1804304 has 20 divisors (see below), whose sum is σ = 3648576. Its totient is φ = 862752.

The previous prime is 1804303. The next prime is 1804307. The reversal of 1804304 is 4034081.

It is not an unprimeable number, because it can be changed into a prime (1804303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2084 + ... + 2819.

2^1804304 is an apocalyptic number.

It is an amenable number.

1804304 is an abundant number, since it is smaller than the sum of its proper divisors (1844272).

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

1804304 is a wasteful number, since it uses less digits than its factorization.

1804304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4928 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1804304 is about 1343.2438349012. The cubic root of 1804304 is about 121.7409175425.

Adding to 1804304 its reverse (4034081), we get a palindrome (5838385).

The spelling of 1804304 in words is "one million, eight hundred four thousand, three hundred four".