8216944 has 20 divisors (see below), whose sum is σ = 16183240. Its totient is φ = 4040640.

The previous prime is 8216939. The next prime is 8216951. The reversal of 8216944 is 4496128.

It is a congruent 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, 3234 + ... + 5185.

It is an arithmetic number, because the mean of its divisors is an integer number (809162).

Almost surely, 2^8216944 is an apocalyptic number.

It is an amenable number.

8216944 is a deficient number, since it is larger than the sum of its proper divisors (7966296).

8216944 is a wasteful number, since it uses less digits than its factorization.

8216944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488 (or 8482 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 8216944 is about 2866.5212366211. The cubic root of 8216944 is about 201.7917665929.

The spelling of 8216944 in words is "eight million, two hundred sixteen thousand, nine hundred forty-four".