2004313421 has 16 divisors (see below), whose sum is σ = 2248007040. Its totient is φ = 1770972480.

The previous prime is 2004313369. The next prime is 2004313427. The reversal of 2004313421 is 1243134002.

It is a cyclic number.

It is not a de Polignac number, because 2004313421 - 2²² = 2000119117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2004313393 and 2004313402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004313427) 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, 498200 + ... + 502206.

It is an arithmetic number, because the mean of its divisors is an integer number (140500440).

Almost surely, 2^2004313421 is an apocalyptic number.

It is an amenable number.

2004313421 is a deficient number, since it is larger than the sum of its proper divisors (243693619).

2004313421 is a wasteful number, since it uses less digits than its factorization.

2004313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2004313421 is about 44769.5590887380. The cubic root of 2004313421 is about 1260.8261611712.

Adding to 2004313421 its reverse (1243134002), we get a palindrome (3247447423).

The spelling of 2004313421 in words is "two billion, four million, three hundred thirteen thousand, four hundred twenty-one".