3243321 has 16 divisors (see below), whose sum is σ = 4867520. Its totient is φ = 2160756.

The previous prime is 3243293. The next prime is 3243323. The reversal of 3243321 is 1233423.

It is not a de Polignac number, because 3243321 - 2⁷ = 3243193 is a prime.

It is a super-2 number, since 2×3243321² = 21038262218082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3243294 and 3243303.

It is not an unprimeable number, because it can be changed into a prime (3243323) 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 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 2928.

It is an arithmetic number, because the mean of its divisors is an integer number (304220).

Almost surely, 2^3243321 is an apocalyptic number.

It is an amenable number.

3243321 is a deficient number, since it is larger than the sum of its proper divisors (1624199).

3243321 is an frugal number, since it uses more digits than its factorization.

3243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1486 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 3243321 is about 1800.9222637304. The cubic root of 3243321 is about 148.0232645434.

Adding to 3243321 its reverse (1233423), we get a palindrome (4476744).

The spelling of 3243321 in words is "three million, two hundred forty-three thousand, three hundred twenty-one".