3004021 has 4 divisors (see below), whose sum is σ = 3009312. Its totient is φ = 2998732.

The previous prime is 3004013. The next prime is 3004037. The reversal of 3004021 is 1204003.

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 3004021 - 2³ = 3004013 is a prime.

It is a Duffinian number.

3004021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3003989 and 3004007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3004051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (752328).

Almost surely, 2^3004021 is an apocalyptic number.

It is an amenable number.

3004021 is a deficient number, since it is larger than the sum of its proper divisors (5291).

3004021 is an equidigital number, since it uses as much as digits as its factorization.

3004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 3004021 is about 1733.2111815933. The cubic root of 3004021 is about 144.2893647692.

Adding to 3004021 its reverse (1204003), we get a palindrome (4208024).

The spelling of 3004021 in words is "three million, four thousand, twenty-one".