3443216 has 40 divisors (see below), whose sum is σ = 7749504. Its totient is φ = 1451520.

The previous prime is 3443207. The next prime is 3443227. The reversal of 3443216 is 6123443.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3443191 and 3443200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7736 + ... + 8168.

Almost surely, 2^3443216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3443216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3874752).

3443216 is an abundant number, since it is smaller than the sum of its proper divisors (4306288).

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

3443216 is a wasteful number, since it uses less digits than its factorization.

3443216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 513 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 3443216 is about 1855.5904720600. The cubic root of 3443216 is about 151.0038739997.

Adding to 3443216 its reverse (6123443), we get a palindrome (9566659).

The spelling of 3443216 in words is "three million, four hundred forty-three thousand, two hundred sixteen".