8233520 has 40 divisors (see below), whose sum is σ = 19351440. Its totient is φ = 3257600.

The previous prime is 8233501. The next prime is 8233523. The reversal of 8233520 is 253328.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (8233523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7571 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (483786).

Almost surely, 2^8233520 is an apocalyptic number.

8233520 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 8233520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9675720).

8233520 is an abundant number, since it is smaller than the sum of its proper divisors (11117920).

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

8233520 is a wasteful number, since it uses less digits than its factorization.

8233520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 8233520 is about 2869.4110894049. The cubic root of 8233520 is about 201.9273666255.

Adding to 8233520 its reverse (253328), we get a palindrome (8486848).

The spelling of 8233520 in words is "eight million, two hundred thirty-three thousand, five hundred twenty".