4444989 has 4 divisors (see below), whose sum is σ = 5926656. Its totient is φ = 2963324.

The previous prime is 4444969. The next prime is 4444991. The reversal of 4444989 is 9894444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4444989 - 2⁷ = 4444861 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4444989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444949) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 740829 + ... + 740834.

It is an arithmetic number, because the mean of its divisors is an integer number (1481664).

Almost surely, 2^4444989 is an apocalyptic number.

It is an amenable number.

4444989 is a deficient number, since it is larger than the sum of its proper divisors (1481667).

4444989 is a wasteful number, since it uses less digits than its factorization.

4444989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481666.

The product of its digits is 165888, while the sum is 42.

The square root of 4444989 is about 2108.3142555132. The cubic root of 4444989 is about 164.4208529619.

The spelling of 4444989 in words is "four million, four hundred forty-four thousand, nine hundred eighty-nine".