3321609 has 4 divisors (see below), whose sum is σ = 4428816. Its totient is φ = 2214404.

The previous prime is 3321607. The next prime is 3321611. The reversal of 3321609 is 9061233.

3321609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (3321607) and next prime (3321611).

It is a cyclic number.

It is not a de Polignac number, because 3321609 - 2¹ = 3321607 is a prime.

It is a super-2 number, since 2×3321609² = 22066172697762, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3321607) 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 3 ways as a sum of consecutive naturals, for example, 553599 + ... + 553604.

It is an arithmetic number, because the mean of its divisors is an integer number (1107204).

Almost surely, 2^3321609 is an apocalyptic number.

It is an amenable number.

3321609 is a deficient number, since it is larger than the sum of its proper divisors (1107207).

3321609 is a wasteful number, since it uses less digits than its factorization.

3321609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107206.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3321609 is about 1822.5281890824. The cubic root of 3321609 is about 149.2048142016.

The spelling of 3321609 in words is "three million, three hundred twenty-one thousand, six hundred nine".