2306216 has 32 divisors (see below), whose sum is σ = 4795200. Its totient is φ = 1031040.

The previous prime is 2306197. The next prime is 2306221. The reversal of 2306216 is 6126032.

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, 6245 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (149850).

2^2306216 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 2306216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2397600).

2306216 is an abundant number, since it is smaller than the sum of its proper divisors (2488984).

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

2306216 is a wasteful number, since it uses less digits than its factorization.

2306216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2306216 is about 1518.6230605387. The cubic root of 2306216 is about 132.1194205470.

It can be divided in two parts, 230 and 6216, that added together give a palindrome (6446).

The spelling of 2306216 in words is "two million, three hundred six thousand, two hundred sixteen".