7987216 has 40 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 3843840.

The previous prime is 7987139. The next prime is 7987223. The reversal of 7987216 is 6127897.

7987216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89700 + ... + 89788.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^7987216 is an apocalyptic number.

It is an amenable number.

7987216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

7987216 is a wasteful number, since it uses less digits than its factorization.

7987216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 241 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 7987216 is about 2826.1663079161. The cubic root of 7987216 is about 199.8934098695.

The spelling of 7987216 in words is "seven million, nine hundred eighty-seven thousand, two hundred sixteen".