3443213 has 4 divisors (see below), whose sum is σ = 3446940. Its totient is φ = 3439488.

The previous prime is 3443207. The next prime is 3443227. The reversal of 3443213 is 3123443.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3123443 = 797 ⋅3919.

It can be written as a sum of positive squares in 2 ways, for example, as 3374569 + 68644 = 1837^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 3443213 - 2¹⁰ = 3442189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (861735).

Almost surely, 2^3443213 is an apocalyptic number.

It is an amenable number.

3443213 is a deficient number, since it is larger than the sum of its proper divisors (3727).

3443213 is a wasteful number, since it uses less digits than its factorization.

3443213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726.

The product of its digits is 864, while the sum is 20.

The square root of 3443213 is about 1855.5896636918. The cubic root of 3443213 is about 151.0038301442.

Adding to 3443213 its reverse (3123443), we get a palindrome (6566656).

The spelling of 3443213 in words is "three million, four hundred forty-three thousand, two hundred thirteen".