3306421 has 4 divisors (see below), whose sum is σ = 3321472. Its totient is φ = 3291372.

The previous prime is 3306397. The next prime is 3306427. The reversal of 3306421 is 1246033.

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 3306421 - 2⁷ = 3306293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3306427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7191 + ... + 7636.

It is an arithmetic number, because the mean of its divisors is an integer number (830368).

Almost surely, 2^3306421 is an apocalyptic number.

It is an amenable number.

3306421 is a deficient number, since it is larger than the sum of its proper divisors (15051).

3306421 is a wasteful number, since it uses less digits than its factorization.

3306421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3306421 is about 1818.3566756827. The cubic root of 3306421 is about 148.9770545571.

The spelling of 3306421 in words is "three million, three hundred six thousand, four hundred twenty-one".