8506224 has 60 divisors (see below), whose sum is σ = 25066600. Its totient is φ = 2685312.

The previous prime is 8506219. The next prime is 8506271. The reversal of 8506224 is 4226058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1182 + ... + 4290.

Almost surely, 2^8506224 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 8506224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12533300).

8506224 is an abundant number, since it is smaller than the sum of its proper divisors (16560376).

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

8506224 is a wasteful number, since it uses less digits than its factorization.

8506224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8506224 is about 2916.5431592898. The cubic root of 8506224 is about 204.1325551415.

The spelling of 8506224 in words is "eight million, five hundred six thousand, two hundred twenty-four".