8670522 has 32 divisors (see below), whose sum is σ = 20160000. Its totient is φ = 2434608.

The previous prime is 8670509. The next prime is 8670523. The reversal of 8670522 is 2250768.

It is a self number, because there is not a number n which added to its sum of digits gives 8670522.

It is not an unprimeable number, because it can be changed into a prime (8670523) 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, 729 + ... + 4227.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 2^8670522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8670522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10080000).

8670522 is an abundant number, since it is smaller than the sum of its proper divisors (11489478).

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

8670522 is a wasteful number, since it uses less digits than its factorization.

8670522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 8670522 is about 2944.5750117801. The cubic root of 8670522 is about 205.4384587300.

The spelling of 8670522 in words is "eight million, six hundred seventy thousand, five hundred twenty-two".