4500320 has 48 divisors (see below), whose sum is σ = 11603088. Its totient is φ = 1635840.

The previous prime is 4500319. The next prime is 4500329. The reversal of 4500320 is 230054.

It is a super-3 number, since 3×4500320³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4500295 and 4500304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500329) 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, 482 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (241731).

Almost surely, 2^4500320 is an apocalyptic number.

4500320 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 4500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5801544).

4500320 is an abundant number, since it is smaller than the sum of its proper divisors (7102768).

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

4500320 is a wasteful number, since it uses less digits than its factorization.

4500320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 4500320 is about 2121.3957669421. The cubic root of 4500320 is about 165.1002757472.

Adding to 4500320 its reverse (230054), we get a palindrome (4730374).

It can be divided in two parts, 4500 and 320, that multiplied together give a square (1440000 = 1200²).

The spelling of 4500320 in words is "four million, five hundred thousand, three hundred twenty".