8563912 has 64 divisors (see below), whose sum is σ = 19641600. Its totient is φ = 3421440.

The previous prime is 8563901. The next prime is 8563939. The reversal of 8563912 is 2193658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78514 + ... + 78622.

It is an arithmetic number, because the mean of its divisors is an integer number (306900).

Almost surely, 2^8563912 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 8563912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9820800).

8563912 is an abundant number, since it is smaller than the sum of its proper divisors (11077688).

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

8563912 is a wasteful number, since it uses less digits than its factorization.

8563912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 202 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 8563912 is about 2926.4162383366. The cubic root of 8563912 is about 204.5929818298.

The spelling of 8563912 in words is "eight million, five hundred sixty-three thousand, nine hundred twelve".