4488444 has 18 divisors (see below), whose sum is σ = 11345880. Its totient is φ = 1496136.

The previous prime is 4488439. The next prime is 4488457. The reversal of 4488444 is 4448844.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×4488444² = 40292259082272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 124679 = 4488444 / (4 + 4 + 8 + 8 + 4 + 4 + 4).

It is a zygodrome in base 3 and base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4488399 and 4488408.

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 5 ways as a sum of consecutive naturals, for example, 62304 + ... + 62375.

Almost surely, 2^4488444 is an apocalyptic number.

It is an amenable number.

4488444 is an abundant number, since it is smaller than the sum of its proper divisors (6857436).

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

4488444 is a wasteful number, since it uses less digits than its factorization.

4488444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124689 (or 124684 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 4488444 is about 2118.5948173259. The cubic root of 4488444 is about 164.9549188135.

It can be divided in two parts, 44 and 88444, that added together give a palindrome (88488).

The spelling of 4488444 in words is "four million, four hundred eighty-eight thousand, four hundred forty-four".