3304021 has 6 divisors (see below), whose sum is σ = 3843510. Its totient is φ = 2831976.

The previous prime is 3304003. The next prime is 3304033. The reversal of 3304021 is 1204033.

3304021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1768900 + 1535121 = 1330^2 + 1239^2 .

It is not a de Polignac number, because 3304021 - 2⁷ = 3303893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3303992 and 3304010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3304061) 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 5 ways as a sum of consecutive naturals, for example, 33666 + ... + 33763.

It is an arithmetic number, because the mean of its divisors is an integer number (640585).

Almost surely, 2^3304021 is an apocalyptic number.

It is an amenable number.

3304021 is a deficient number, since it is larger than the sum of its proper divisors (539489).

3304021 is an equidigital number, since it uses as much as digits as its factorization.

3304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67443 (or 67436 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3304021 is about 1817.6966193510. The cubic root of 3304021 is about 148.9410003185.

Adding to 3304021 its reverse (1204033), we get a palindrome (4508054).

The spelling of 3304021 in words is "three million, three hundred four thousand, twenty-one".