2004321 has 8 divisors (see below), whose sum is σ = 2915424. Its totient is φ = 1214720.

The previous prime is 2004313. The next prime is 2004341. The reversal of 2004321 is 1234002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2004321 - 2³ = 2004313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2004297 and 2004306.

It is not an unprimeable number, because it can be changed into a prime (2004341) 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 in 7 ways as a sum of consecutive naturals, for example, 30336 + ... + 30401.

It is an arithmetic number, because the mean of its divisors is an integer number (364428).

2^2004321 is an apocalyptic number.

It is an amenable number.

2004321 is a deficient number, since it is larger than the sum of its proper divisors (911103).

2004321 is a wasteful number, since it uses less digits than its factorization.

2004321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60751.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2004321 is about 1415.7404423128. The cubic root of 2004321 is about 126.0827750375.

Adding to 2004321 its reverse (1234002), we get a palindrome (3238323).

It can be divided in two parts, 20043 and 21, that multiplied together give a triangular number (420903 = T₉₁₇).

The spelling of 2004321 in words is "two million, four thousand, three hundred twenty-one".