4439649 has 4 divisors (see below), whose sum is σ = 5919536. Its totient is φ = 2959764.

The previous prime is 4439627. The next prime is 4439653. The reversal of 4439649 is 9469344.

4439649 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 4439649 - 2⁹ = 4439137 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4239649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739939 + ... + 739944.

It is an arithmetic number, because the mean of its divisors is an integer number (1479884).

Almost surely, 2^4439649 is an apocalyptic number.

It is an amenable number.

4439649 is a deficient number, since it is larger than the sum of its proper divisors (1479887).

4439649 is a wasteful number, since it uses less digits than its factorization.

4439649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479886.

The product of its digits is 93312, while the sum is 39.

The square root of 4439649 is about 2107.0474603103. The cubic root of 4439649 is about 164.3549840933.

It can be divided in two parts, 44 and 39649, that added together give a palindrome (39693).

The spelling of 4439649 in words is "four million, four hundred thirty-nine thousand, six hundred forty-nine".