4444281 has 16 divisors (see below), whose sum is σ = 6621120. Its totient is φ = 2946240.

The previous prime is 4444261. The next prime is 4444289. The reversal of 4444281 is 1824444.

It is a happy number.

It is not a de Polignac number, because 4444281 - 2⁶ = 4444217 is a prime.

It is a super-2 number, since 2×4444281² = 39503267213922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6166 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (413820).

Almost surely, 2^4444281 is an apocalyptic number.

It is an amenable number.

4444281 is a deficient number, since it is larger than the sum of its proper divisors (2176839).

4444281 is a wasteful number, since it uses less digits than its factorization.

4444281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 927 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 4444281 is about 2108.1463421689. The cubic root of 4444281 is about 164.4121228207.

The spelling of 4444281 in words is "four million, four hundred forty-four thousand, two hundred eighty-one".