4344320 has 40 divisors (see below), whose sum is σ = 10422324. Its totient is φ = 1736704.

The previous prime is 4344283. The next prime is 4344323. The reversal of 4344320 is 234434.

It is a happy number.

4344320 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 215296 = 2032^2 + 464^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4344292 and 4344301.

It is not an unprimeable number, because it can be changed into a prime (4344323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712 + ... + 3408.

Almost surely, 2^4344320 is an apocalyptic number.

4344320 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 4344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5211162).

4344320 is an abundant number, since it is smaller than the sum of its proper divisors (6078004).

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

4344320 is an equidigital number, since it uses as much as digits as its factorization.

4344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4344320 is about 2084.3032408937. The cubic root of 4344320 is about 163.1701085842.

Adding to 4344320 its reverse (234434), we get a palindrome (4578754).

It can be divided in two parts, 4344 and 320, that added together give a palindrome (4664).

The spelling of 4344320 in words is "four million, three hundred forty-four thousand, three hundred twenty".