8407216 has 20 divisors (see below), whose sum is σ = 16851600. Its totient is φ = 4058432.

The previous prime is 8407211. The next prime is 8407229. The reversal of 8407216 is 6127048.

It is not an unprimeable number, because it can be changed into a prime (8407211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8596 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (842580).

Almost surely, 2^8407216 is an apocalyptic number.

It is an amenable number.

8407216 is an abundant number, since it is smaller than the sum of its proper divisors (8444384).

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

8407216 is a wasteful number, since it uses less digits than its factorization.

8407216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156 (or 18150 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 8407216 is about 2899.5199602693. The cubic root of 8407216 is about 203.3374635609.

The spelling of 8407216 in words is "eight million, four hundred seven thousand, two hundred sixteen".