3304566021 has 4 divisors (see below), whose sum is σ = 4406088032. Its totient is φ = 2203044012.

The previous prime is 3304565983. The next prime is 3304566043. The reversal of 3304566021 is 1206654033.

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 not a de Polignac number, because 3304566021 - 2¹³ = 3304557829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3304566021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3304566061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550761001 + ... + 550761006.

It is an arithmetic number, because the mean of its divisors is an integer number (1101522008).

Almost surely, 2^3304566021 is an apocalyptic number.

It is an amenable number.

3304566021 is a deficient number, since it is larger than the sum of its proper divisors (1101522011).

3304566021 is a wasteful number, since it uses less digits than its factorization.

3304566021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101522010.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3304566021 is about 57485.3548392980. The cubic root of 3304566021 is about 1489.4918948257.

The spelling of 3304566021 in words is "three billion, three hundred four million, five hundred sixty-six thousand, twenty-one".