8528985 has 24 divisors (see below), whose sum is σ = 15654600. Its totient is φ = 4280832.

The previous prime is 8528983. The next prime is 8529023. The reversal of 8528985 is 5898258.

It can be written as a sum of positive squares in 4 ways, for example, as 1108809 + 7420176 = 1053^2 + 2724^2 .

It is not a de Polignac number, because 8528985 - 2¹ = 8528983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8528985.

It is not an unprimeable number, because it can be changed into a prime (8528983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4810 + ... + 6339.

It is an arithmetic number, because the mean of its divisors is an integer number (652275).

Almost surely, 2^8528985 is an apocalyptic number.

8528985 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8528985 is a deficient number, since it is larger than the sum of its proper divisors (7125615).

8528985 is a wasteful number, since it uses less digits than its factorization.

8528985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177 (or 11174 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 8528985 is about 2920.4426034422. The cubic root of 8528985 is about 204.3144659820.

The spelling of 8528985 in words is "eight million, five hundred twenty-eight thousand, nine hundred eighty-five".