8653320 has 144 divisors (see below), whose sum is σ = 31007340. Its totient is φ = 2080512.

The previous prime is 8653319. The next prime is 8653327. The reversal of 8653320 is 233568.

8653320 is a `hidden beast` number, since 8 + 653 + 3 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 599076 = 2838^2 + 774^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8653327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 201219 + ... + 201261.

Almost surely, 2^8653320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8653320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15503670).

8653320 is an abundant number, since it is smaller than the sum of its proper divisors (22354020).

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

8653320 is a wasteful number, since it uses less digits than its factorization.

8653320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 8653320 is about 2941.6525967558. The cubic root of 8653320 is about 205.3025079755.

Adding to 8653320 its reverse (233568), we get a palindrome (8886888).

The spelling of 8653320 in words is "eight million, six hundred fifty-three thousand, three hundred twenty".