8505500 has 24 divisors (see below), whose sum is σ = 18577104. Its totient is φ = 3402000.

The previous prime is 8505487. The next prime is 8505509. The reversal of 8505500 is 55058.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8006 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (774046).

Almost surely, 2^8505500 is an apocalyptic number.

It is an amenable number.

8505500 is an abundant number, since it is smaller than the sum of its proper divisors (10071604).

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

8505500 is a wasteful number, since it uses less digits than its factorization.

8505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17030 (or 17018 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 8505500 is about 2916.4190371070. The cubic root of 8505500 is about 204.1267634544.

The spelling of 8505500 in words is "eight million, five hundred five thousand, five hundred".