8216704 has 32 divisors (see below), whose sum is σ = 17087040. Its totient is φ = 3928320.

The previous prime is 8216693. The next prime is 8216717. The reversal of 8216704 is 4076128.

It is a tau number, because it is divible by the number of its divisors (32).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549 + ... + 4339.

It is an arithmetic number, because the mean of its divisors is an integer number (533970).

Almost surely, 2^8216704 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 8216704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8543520).

8216704 is an abundant number, since it is smaller than the sum of its proper divisors (8870336).

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

8216704 is a wasteful number, since it uses less digits than its factorization.

8216704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2816 counting only the distinct ones).

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

The square root of 8216704 is about 2866.4793737266. The cubic root of 8216704 is about 201.7898019332.

The spelling of 8216704 in words is "eight million, two hundred sixteen thousand, seven hundred four".