4405489 has 12 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 3828440.

The previous prime is 4405459. The next prime is 4405493. The reversal of 4405489 is 9845044.

It is not a de Polignac number, because 4405489 - 2⁹ = 4404977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4405439) 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 11 ways as a sum of consecutive naturals, for example, 1992 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (421344).

Almost surely, 2^4405489 is an apocalyptic number.

It is an amenable number.

4405489 is a deficient number, since it is larger than the sum of its proper divisors (650639).

4405489 is a wasteful number, since it uses less digits than its factorization.

4405489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 4405489 is about 2098.9256775789. The cubic root of 4405489 is about 163.9323660238.

It can be divided in two parts, 440 and 5489, that added together give a square (5929 = 77²).

The spelling of 4405489 in words is "four million, four hundred five thousand, four hundred eighty-nine".