7216844 has 12 divisors (see below), whose sum is σ = 12684000. Its totient is φ = 3592848.

The previous prime is 7216837. The next prime is 7216879. The reversal of 7216844 is 4486127.

It is a self number, because there is not a number n which added to its sum of digits gives 7216844.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (1057000).

Almost surely, 2^7216844 is an apocalyptic number.

It is an amenable number.

7216844 is a deficient number, since it is larger than the sum of its proper divisors (5467156).

7216844 is a wasteful number, since it uses less digits than its factorization.

7216844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792 (or 7790 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 7216844 is about 2686.4184335282. The cubic root of 7216844 is about 193.2483402337.

The spelling of 7216844 in words is "seven million, two hundred sixteen thousand, eight hundred forty-four".