3227616 has 72 divisors (see below), whose sum is σ = 10496304. Its totient is φ = 921600.

The previous prime is 3227611. The next prime is 3227617. The reversal of 3227616 is 6167223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3227616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3227611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1216 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (145782).

Almost surely, 2^3227616 is an apocalyptic number.

3227616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3227616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5248152).

3227616 is an abundant number, since it is smaller than the sum of its proper divisors (7268688).

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

3227616 is a wasteful number, since it uses less digits than its factorization.

3227616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1613 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 3227616 is about 1796.5567065918. The cubic root of 3227616 is about 147.7839555377.

The spelling of 3227616 in words is "three million, two hundred twenty-seven thousand, six hundred sixteen".