7986216 has 48 divisors (see below), whose sum is σ = 23228640. Its totient is φ = 2281440.

The previous prime is 7986211. The next prime is 7986217. The reversal of 7986216 is 6126897.

7986216 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7986211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2220 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (483930).

Almost surely, 2^7986216 is an apocalyptic number.

It is an amenable number.

7986216 is an abundant number, since it is smaller than the sum of its proper divisors (15242424).

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

7986216 is a wasteful number, since it uses less digits than its factorization.

7986216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814 (or 6803 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 7986216 is about 2825.9893842688. The cubic root of 7986216 is about 199.8850672984.

The spelling of 7986216 in words is "seven million, nine hundred eighty-six thousand, two hundred sixteen".