4320 has 48 divisors (see below), whose sum is σ = 15120. Its totient is φ = 1152.

The previous prime is 4297. The next prime is 4327. The reversal of 4320 is 234.

4320 = 4³ + 5³ + ... + 11³.

It is a Jordan-Polya number, since it can be written as 6! ⋅ 3!.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 6 and base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4320.

It is not an unprimeable number, because it can be changed into a prime (4327) by changing a digit.

4320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862 + ... + 866.

It is an arithmetic number, because the mean of its divisors is an integer number (315).

2⁴³²⁰ is an apocalyptic number.

4320 is a gapful number since it is divisible by the number (40) 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 4320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7560).

4320 is an abundant number, since it is smaller than the sum of its proper divisors (10800).

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

4320 is a wasteful number, since it uses less digits than its factorization.

4320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 4320 is about 65.7267069006. The cubic root of 4320 is about 16.2865056996.

Adding to 4320 its reverse (234), we get a palindrome (4554).

It can be divided in two parts, 4 and 320, that added together give a square (324 = 18²).

The spelling of 4320 in words is "four thousand, three hundred twenty", and thus it is an iban number.