2004784 has 10 divisors (see below), whose sum is σ = 3884300. Its totient is φ = 1002384.

The previous prime is 2004773. The next prime is 2004787. The reversal of 2004784 is 4874002.

It is not an unprimeable number, because it can be changed into a prime (2004787) 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 as a sum of consecutive naturals, namely, 62634 + ... + 62665.

It is an arithmetic number, because the mean of its divisors is an integer number (388430).

2^2004784 is an apocalyptic number.

It is an amenable number.

2004784 is a deficient number, since it is larger than the sum of its proper divisors (1879516).

2004784 is a wasteful number, since it uses less digits than its factorization.

2004784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125307 (or 125301 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2004784 is about 1415.9039515447. The cubic root of 2004784 is about 126.0924827025.

Adding to 2004784 its reverse (4874002), we get a palindrome (6878786).

The spelling of 2004784 in words is "two million, four thousand, seven hundred eighty-four".