7997216 has 24 divisors (see below), whose sum is σ = 15939504. Its totient is φ = 3949120.

The previous prime is 7997207. The next prime is 7997219. The reversal of 7997216 is 6127997.

It is a happy number.

7997216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (7997219) 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, 1151 + ... + 4161.

It is an arithmetic number, because the mean of its divisors is an integer number (664146).

Almost surely, 2^7997216 is an apocalyptic number.

It is an amenable number.

7997216 is a deficient number, since it is larger than the sum of its proper divisors (7942288).

7997216 is a wasteful number, since it uses less digits than its factorization.

7997216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104 (or 3096 counting only the distinct ones).

The product of its digits is 47628, while the sum is 41.

The square root of 7997216 is about 2827.9349356023. The cubic root of 7997216 is about 199.9767973083.

The spelling of 7997216 in words is "seven million, nine hundred ninety-seven thousand, two hundred sixteen".