4331320 has 64 divisors (see below), whose sum is σ = 11520000. Its totient is φ = 1434240.

The previous prime is 4331293. The next prime is 4331323. The reversal of 4331320 is 231334.

It is a junction number, because it is equal to n+sod(n) for n = 4331294 and 4331303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8431 + ... + 8929.

It is an arithmetic number, because the mean of its divisors is an integer number (180000).

Almost surely, 2^4331320 is an apocalyptic number.

4331320 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 4331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5760000).

4331320 is an abundant number, since it is smaller than the sum of its proper divisors (7188680).

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

4331320 is a wasteful number, since it uses less digits than its factorization.

4331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 4331320 is about 2081.1823562581. The cubic root of 4331320 is about 163.0071885121.

Adding to 4331320 its reverse (231334), we get a palindrome (4562654).

The spelling of 4331320 in words is "four million, three hundred thirty-one thousand, three hundred twenty".