10008500 has 48 divisors (see below), whose sum is σ = 22490832. Its totient is φ = 3888000.

The previous prime is 10008491. The next prime is 10008511. The reversal of 10008500 is 580001.

It can be written as a sum of positive squares in 8 ways, for example, as 1737124 + 8271376 = 1318^2 + 2876^2 .

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18230 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (468559).

Almost surely, 2^10008500 is an apocalyptic number.

10008500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10008500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11245416).

10008500 is an abundant number, since it is smaller than the sum of its proper divisors (12482332).

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

10008500 is a wasteful number, since it uses less digits than its factorization.

10008500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 10008500 is about 3163.6213427021. The cubic root of 10008500 is about 215.5044940322.

Adding to 10008500 its reverse (580001), we get a palindrome (10588501).

The spelling of 10008500 in words is "ten million, eight thousand, five hundred".