8423216 has 20 divisors (see below), whose sum is σ = 16365024. Its totient is φ = 4200000.

The previous prime is 8423209. The next prime is 8423231. The reversal of 8423216 is 6123248.

8423216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 8³ + 4 + 2¹⁵ + 3³ + 2²³ + 1 + 6⁴ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10841 + ... + 11591.

Almost surely, 2^8423216 is an apocalyptic number.

It is an amenable number.

8423216 is a deficient number, since it is larger than the sum of its proper divisors (7941808).

8423216 is a wasteful number, since it uses less digits than its factorization.

8423216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1454 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 8423216 is about 2902.2777262006. The cubic root of 8423216 is about 203.4663741586.

Subtracting from 8423216 its reverse (6123248), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 84232 and 16, that added together give a palindrome (84248).

The spelling of 8423216 in words is "eight million, four hundred twenty-three thousand, two hundred sixteen".