8500016 has 40 divisors (see below), whose sum is σ = 19477920. Its totient is φ = 3515904.

The previous prime is 8500007. The next prime is 8500021. The reversal of 8500016 is 6100058.

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, 1940 + ... + 4556.

It is an arithmetic number, because the mean of its divisors is an integer number (486948).

Almost surely, 2^8500016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8500016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9738960).

8500016 is an abundant number, since it is smaller than the sum of its proper divisors (10977904).

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

8500016 is a wasteful number, since it uses less digits than its factorization.

8500016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8500016 is about 2915.4786913987. The cubic root of 8500016 is about 204.0828831477.

The spelling of 8500016 in words is "eight million, five hundred thousand, sixteen".