8530000 has 50 divisors (see below), whose sum is σ = 20676194. Its totient is φ = 3408000.

The previous prime is 8529959. The next prime is 8530001. The reversal of 8530000 is 358.

It can be written as a sum of positive squares in 5 ways, for example, as 5626384 + 2903616 = 2372^2 + 1704^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9574 + ... + 10426.

Almost surely, 2^8530000 is an apocalyptic number.

8530000 is a gapful number since it is divisible by the number (80) 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 8530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10338097).

8530000 is an abundant number, since it is smaller than the sum of its proper divisors (12146194).

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

8530000 is an equidigital number, since it uses as much as digits as its factorization.

8530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 8530000 is about 2920.6163733020. The cubic root of 8530000 is about 204.3225705399.

Adding to 8530000 its reverse (358), we get a palindrome (8530358).

The spelling of 8530000 in words is "eight million, five hundred thirty thousand".