2004785 has 16 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 1483776.

The previous prime is 2004773. The next prime is 2004787. The reversal of 2004785 is 5874002.

It is a cyclic number.

It is not a de Polignac number, because 2004785 - 2⁸ = 2004529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4241 + ... + 4689.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2^2004785 is an apocalyptic number.

It is an amenable number.

2004785 is a deficient number, since it is larger than the sum of its proper divisors (587215).

2004785 is a wasteful number, since it uses less digits than its factorization.

2004785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2004785 is about 1415.9043046760. The cubic root of 2004785 is about 126.0925036678.

Adding to 2004785 its reverse (5874002), we get a palindrome (7878787).

The spelling of 2004785 in words is "two million, four thousand, seven hundred eighty-five".