4449489 has 16 divisors (see below), whose sum is σ = 6536640. Its totient is φ = 2669760.

The previous prime is 4449481. The next prime is 4449491. The reversal of 4449489 is 9849444.

It is not a de Polignac number, because 4449489 - 2³ = 4449481 is a prime.

It is a super-2 number, since 2×4449489² = 39595904722242, which contains 22 as substring.

4449489 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4449489.

It is not an unprimeable number, because it can be changed into a prime (4449481) 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, 2979 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (408540).

Almost surely, 2^4449489 is an apocalyptic number.

It is an amenable number.

4449489 is a deficient number, since it is larger than the sum of its proper divisors (2087151).

4449489 is a wasteful number, since it uses less digits than its factorization.

4449489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

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

The square root of 4449489 is about 2109.3811888798. The cubic root of 4449489 is about 164.4763194880.

The spelling of 4449489 in words is "four million, four hundred forty-nine thousand, four hundred eighty-nine".