6213216 has 48 divisors (see below), whose sum is σ = 16592688. Its totient is φ = 2035200.

The previous prime is 6213203. The next prime is 6213223. The reversal of 6213216 is 6123126.

It is a happy number.

6213216 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 6213192 and 6213201.

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, 5326 + ... + 6386.

It is an arithmetic number, because the mean of its divisors is an integer number (345681).

Almost surely, 2^6213216 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 6213216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8296344).

6213216 is an abundant number, since it is smaller than the sum of its proper divisors (10379472).

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

6213216 is a wasteful number, since it uses less digits than its factorization.

6213216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135 (or 1127 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 6213216 is about 2492.6323435276. The cubic root of 6213216 is about 183.8394945604.

The spelling of 6213216 in words is "six million, two hundred thirteen thousand, two hundred sixteen".