3387216 has 80 divisors (see below), whose sum is σ = 10606464. Its totient is φ = 909312.

The previous prime is 3387203. The next prime is 3387253. The reversal of 3387216 is 6127833.

It is a super-2 number, since 2×3387216² = 22946464461312, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5416 + ... + 6008.

Almost surely, 2^3387216 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 3387216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5303232).

3387216 is an abundant number, since it is smaller than the sum of its proper divisors (7219248).

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

3387216 is a wasteful number, since it uses less digits than its factorization.

3387216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 622 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 3387216 is about 1840.4390780463. The cubic root of 3387216 is about 150.1807598628.

The spelling of 3387216 in words is "three million, three hundred eighty-seven thousand, two hundred sixteen".