8649522 has 48 divisors (see below), whose sum is σ = 22551360. Its totient is φ = 2340576.

The previous prime is 8649521. The next prime is 8649533. The reversal of 8649522 is 2259468.

It is a happy number.

8649522 is a `hidden beast` number, since 8 + 649 + 5 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (8649521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (469820).

Almost surely, 2^8649522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8649522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11275680).

8649522 is an abundant number, since it is smaller than the sum of its proper divisors (13901838).

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

8649522 is a wasteful number, since it uses less digits than its factorization.

8649522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647 (or 3644 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 8649522 is about 2941.0069704100. The cubic root of 8649522 is about 205.2724673656.

The spelling of 8649522 in words is "eight million, six hundred forty-nine thousand, five hundred twenty-two".