8533120 has 64 divisors (see below), whose sum is σ = 20808000. Its totient is φ = 3345408.

The previous prime is 8533103. The next prime is 8533123. The reversal of 8533120 is 213358.

It is a tau number, because it is divible by the number of its divisors (64).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8533091 and 8533100.

It is not an unprimeable number, because it can be changed into a prime (8533123) 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, 42781 + ... + 42979.

It is an arithmetic number, because the mean of its divisors is an integer number (325125).

Almost surely, 2^8533120 is an apocalyptic number.

8533120 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 8533120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10404000).

8533120 is an abundant number, since it is smaller than the sum of its proper divisors (12274880).

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

8533120 is a wasteful number, since it uses less digits than its factorization.

8533120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 8533120 is about 2921.1504582955. The cubic root of 8533120 is about 204.3474790476.

Adding to 8533120 its reverse (213358), we get a palindrome (8746478).

The spelling of 8533120 in words is "eight million, five hundred thirty-three thousand, one hundred twenty".