4444020 has 72 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 1015488.

The previous prime is 4444001. The next prime is 4444049. The reversal of 4444020 is 204444.

It is a happy number.

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 = 4443984 and 4444002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (214032).

Almost surely, 2^4444020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4444020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7705152).

4444020 is an abundant number, since it is smaller than the sum of its proper divisors (10966284).

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

4444020 is a wasteful number, since it uses less digits than its factorization.

4444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4444020 is about 2108.0844385366. The cubic root of 4444020 is about 164.4089042720.

Adding to 4444020 its reverse (204444), we get a palindrome (4648464).

The spelling of 4444020 in words is "four million, four hundred forty-four thousand, twenty".