4442889 has 32 divisors (see below), whose sum is σ = 6893568. Its totient is φ = 2520000.

The previous prime is 4442869. The next prime is 4442897. The reversal of 4442889 is 9882444.

It is not a de Polignac number, because 4442889 - 2¹¹ = 4440841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43939 + ... + 44039.

It is an arithmetic number, because the mean of its divisors is an integer number (215424).

Almost surely, 2^4442889 is an apocalyptic number.

It is an amenable number.

4442889 is a deficient number, since it is larger than the sum of its proper divisors (2450679).

4442889 is a wasteful number, since it uses less digits than its factorization.

4442889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its digits is 73728, while the sum is 39.

The square root of 4442889 is about 2107.8161684549. The cubic root of 4442889 is about 164.3949557714.

It can be divided in two parts, 444 and 2889, that added together give a palindrome (3333).

The spelling of 4442889 in words is "four million, four hundred forty-two thousand, eight hundred eighty-nine".