2004217 has 4 divisors (see below), whose sum is σ = 2023056. Its totient is φ = 1985380.

The previous prime is 2004209. The next prime is 2004227. The reversal of 2004217 is 7124002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2004217 - 2³ = 2004209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2004217.

It is not an unprimeable number, because it can be changed into a prime (2004227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9259 + ... + 9472.

It is an arithmetic number, because the mean of its divisors is an integer number (505764).

2^2004217 is an apocalyptic number.

It is an amenable number.

2004217 is a deficient number, since it is larger than the sum of its proper divisors (18839).

2004217 is a wasteful number, since it uses less digits than its factorization.

2004217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18838.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2004217 is about 1415.7037119398. The cubic root of 2004217 is about 126.0805942765.

Adding to 2004217 its reverse (7124002), we get a palindrome (9128219).

The spelling of 2004217 in words is "two million, four thousand, two hundred seventeen".