8685616 has 20 divisors (see below), whose sum is σ = 17409600. Its totient is φ = 4192832.

The previous prime is 8685601. The next prime is 8685619. The reversal of 8685616 is 6165868.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8685619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8896 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^8685616 is an apocalyptic number.

It is an amenable number.

8685616 is an abundant number, since it is smaller than the sum of its proper divisors (8723984).

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

8685616 is a wasteful number, since it uses less digits than its factorization.

8685616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18756 (or 18750 counting only the distinct ones).

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

The square root of 8685616 is about 2947.1369157201. The cubic root of 8685616 is about 205.5576015163.

The spelling of 8685616 in words is "eight million, six hundred eighty-five thousand, six hundred sixteen".