8391116 has 6 divisors (see below), whose sum is σ = 14684460. Its totient is φ = 4195556.

The previous prime is 8391109. The next prime is 8391127. The reversal of 8391116 is 6111938.

It is a happy number.

8391116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048886 + ... + 1048893.

It is an arithmetic number, because the mean of its divisors is an integer number (2447410).

Almost surely, 2^8391116 is an apocalyptic number.

It is an amenable number.

8391116 is a deficient number, since it is larger than the sum of its proper divisors (6293344).

8391116 is a wasteful number, since it uses less digits than its factorization.

8391116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097783 (or 2097781 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 8391116 is about 2896.7423081800. The cubic root of 8391116 is about 203.2075820739.

The spelling of 8391116 in words is "eight million, three hundred ninety-one thousand, one hundred sixteen".