8538522 has 32 divisors (see below), whose sum is σ = 18289152. Its totient is φ = 2648064.

The previous prime is 8538511. The next prime is 8538529. The reversal of 8538522 is 2258358.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8538529) 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, 9463 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (571536).

Almost surely, 2^8538522 is an apocalyptic number.

8538522 is an abundant number, since it is smaller than the sum of its proper divisors (9750630).

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

8538522 is a wasteful number, since it uses less digits than its factorization.

8538522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its digits is 19200, while the sum is 33.

The square root of 8538522 is about 2922.0749477041. The cubic root of 8538522 is about 204.3905915403.

The spelling of 8538522 in words is "eight million, five hundred thirty-eight thousand, five hundred twenty-two".