3306021 has 4 divisors (see below), whose sum is σ = 4408032. Its totient is φ = 2204012.

The previous prime is 3306013. The next prime is 3306049. The reversal of 3306021 is 1206033.

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 3306021 - 2³ = 3306013 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3306001) 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, 551001 + ... + 551006.

It is an arithmetic number, because the mean of its divisors is an integer number (1102008).

Almost surely, 2^3306021 is an apocalyptic number.

It is an amenable number.

3306021 is a deficient number, since it is larger than the sum of its proper divisors (1102011).

3306021 is a wasteful number, since it uses less digits than its factorization.

3306021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102010.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3306021 is about 1818.2466829339. The cubic root of 3306021 is about 148.9710467292.

The spelling of 3306021 in words is "three million, three hundred six thousand, twenty-one".