8621116 has 24 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 3615600.

The previous prime is 8621101. The next prime is 8621143. The reversal of 8621116 is 6111268.

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, 1960 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 2^8621116 is an apocalyptic number.

It is an amenable number.

8621116 is an abundant number, since it is smaller than the sum of its proper divisors (8990660).

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

8621116 is a wasteful number, since it uses less digits than its factorization.

8621116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609 (or 6607 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 8621116 is about 2936.1737005838. The cubic root of 8621116 is about 205.0475083229.

The spelling of 8621116 in words is "eight million, six hundred twenty-one thousand, one hundred sixteen".