3323216 has 30 divisors (see below), whose sum is σ = 6977790. Its totient is φ = 1532544.

The previous prime is 3323213. The next prime is 3323239. The reversal of 3323216 is 6123233.

It can be written as a sum of positive squares in 3 ways, for example, as 364816 + 2958400 = 604^2 + 1720^2 .

It is a super-2 number, since 2×3323216² = 22087529165312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3323213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2090 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (232593).

Almost surely, 2^3323216 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 3323216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3488895).

3323216 is an abundant number, since it is smaller than the sum of its proper divisors (3654574).

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

3323216 is a wasteful number, since it uses less digits than its factorization.

3323216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1244 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 3323216 is about 1822.9690068676. The cubic root of 3323216 is about 149.2288721686.

Adding to 3323216 its reverse (6123233), we get a palindrome (9446449).

The spelling of 3323216 in words is "three million, three hundred twenty-three thousand, two hundred sixteen".