3243213 has 16 divisors (see below), whose sum is σ = 4851840. Its totient is φ = 2140992.

The previous prime is 3243197. The next prime is 3243221. The reversal of 3243213 is 3123423.

It is not a de Polignac number, because 3243213 - 2⁴ = 3243197 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243293) 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, 2520 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (303240).

Almost surely, 2^3243213 is an apocalyptic number.

It is an amenable number.

3243213 is a deficient number, since it is larger than the sum of its proper divisors (1608627).

3243213 is a wasteful number, since it uses less digits than its factorization.

3243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1179 counting only the distinct ones).

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

The square root of 3243213 is about 1800.8922788440. The cubic root of 3243213 is about 148.0216215063.

Adding to 3243213 its reverse (3123423), we get a palindrome (6366636).

The spelling of 3243213 in words is "three million, two hundred forty-three thousand, two hundred thirteen".