8623216 has 60 divisors (see below), whose sum is σ = 20610288. Its totient is φ = 3472896.

The previous prime is 8623213. The next prime is 8623247. The reversal of 8623216 is 6123268.

8623216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8623213) 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, 13005 + ... + 13651.

Almost surely, 2^8623216 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 8623216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10305144).

8623216 is an abundant number, since it is smaller than the sum of its proper divisors (11987072).

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

8623216 is a wasteful number, since it uses less digits than its factorization.

8623216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 673 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 8623216 is about 2936.5312870800. The cubic root of 8623216 is about 205.0641560056.

The spelling of 8623216 in words is "eight million, six hundred twenty-three thousand, two hundred sixteen".