1804804 has 6 divisors (see below), whose sum is σ = 3158414. Its totient is φ = 902400.

The previous prime is 1804801. The next prime is 1804813. The reversal of 1804804 is 4084081.

It can be written as a sum of positive squares in only one way, i.e., 1444804 + 360000 = 1202^2 + 600^2 .

It is not an unprimeable number, because it can be changed into a prime (1804801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225597 + ... + 225604.

2^1804804 is an apocalyptic number.

It is an amenable number.

1804804 is a deficient number, since it is larger than the sum of its proper divisors (1353610).

1804804 is a wasteful number, since it uses less digits than its factorization.

1804804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451205 (or 451203 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1804804 is about 1343.4299386272. The cubic root of 1804804 is about 121.7521619221.

Adding to 1804804 its reverse (4084081), we get a palindrome (5888885).

The spelling of 1804804 in words is "one million, eight hundred four thousand, eight hundred four".