3223616 has 56 divisors (see below), whose sum is σ = 7376160. Its totient is φ = 1382400.

The previous prime is 3223603. The next prime is 3223621. The reversal of 3223616 is 6163223.

It is a junction number, because it is equal to n+sod(n) for n = 3223591 and 3223600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13256 + ... + 13496.

Almost surely, 2^3223616 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 3223616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688080).

3223616 is an abundant number, since it is smaller than the sum of its proper divisors (4152544).

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

3223616 is a wasteful number, since it uses less digits than its factorization.

3223616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 273 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 3223616 is about 1795.4431207922. The cubic root of 3223616 is about 147.7228805121.

Adding to 3223616 its reverse (6163223), we get a palindrome (9386839).

The spelling of 3223616 in words is "three million, two hundred twenty-three thousand, six hundred sixteen".