3321564 has 24 divisors (see below), whose sum is σ = 7960848. Its totient is φ = 1077120.

The previous prime is 3321559. The next prime is 3321583. The reversal of 3321564 is 4651233.

It is a happy number.

It is a super-2 number, since 2×3321564² = 22065574812192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3297 + ... + 4184.

It is an arithmetic number, because the mean of its divisors is an integer number (331702).

Almost surely, 2^3321564 is an apocalyptic number.

It is an amenable number.

3321564 is an abundant number, since it is smaller than the sum of its proper divisors (4639284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3321564 is a wasteful number, since it uses less digits than its factorization.

3321564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525 (or 7523 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 3321564 is about 1822.5158435525. The cubic root of 3321564 is about 149.2041404070.

Adding to 3321564 its reverse (4651233), we get a palindrome (7972797).

The spelling of 3321564 in words is "three million, three hundred twenty-one thousand, five hundred sixty-four".