4441320 has 144 divisors (see below), whose sum is σ = 15844140. Its totient is φ = 1078272.

The previous prime is 4441313. The next prime is 4441351. The reversal of 4441320 is 231444.

It can be written as a sum of positive squares in 6 ways, for example, as 544644 + 3896676 = 738^2 + 1974^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4441293 and 4441302.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60804 + ... + 60876.

Almost surely, 2^4441320 is an apocalyptic number.

4441320 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 4441320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7922070).

4441320 is an abundant number, since it is smaller than the sum of its proper divisors (11402820).

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

4441320 is a wasteful number, since it uses less digits than its factorization.

4441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4441320 is about 2107.4439494326. The cubic root of 4441320 is about 164.3756015438.

Adding to 4441320 its reverse (231444), we get a palindrome (4672764).

It can be divided in two parts, 4441 and 320, that added together give a square (4761 = 69²).

The spelling of 4441320 in words is "four million, four hundred forty-one thousand, three hundred twenty".