8616685 has 16 divisors (see below), whose sum is σ = 12892032. Its totient is φ = 5371200.

The previous prime is 8616679. The next prime is 8616689. The reversal of 8616685 is 5866168.

It is a happy number.

It is not a de Polignac number, because 8616685 - 2⁵ = 8616653 is a prime.

It is a Duffinian number.

8616685 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8616689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10806 + ... + 11575.

It is an arithmetic number, because the mean of its divisors is an integer number (805752).

Almost surely, 2^8616685 is an apocalyptic number.

It is an amenable number.

8616685 is a deficient number, since it is larger than the sum of its proper divisors (4275347).

8616685 is a wasteful number, since it uses less digits than its factorization.

8616685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22404.

The product of its digits is 69120, while the sum is 40.

The square root of 8616685 is about 2935.4190501528. The cubic root of 8616685 is about 205.0123728404.

The spelling of 8616685 in words is "eight million, six hundred sixteen thousand, six hundred eighty-five".