4489445 has 8 divisors (see below), whose sum is σ = 5704344. Its totient is φ = 3380224.

The previous prime is 4489423. The next prime is 4489477. The reversal of 4489445 is 5449844.

It can be written as a sum of positive squares in 4 ways, for example, as 33124 + 4456321 = 182^2 + 2111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4489445 - 2⁸ = 4489189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4489399 and 4489408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26324 + ... + 26493.

It is an arithmetic number, because the mean of its divisors is an integer number (713043).

Almost surely, 2^4489445 is an apocalyptic number.

It is an amenable number.

4489445 is a deficient number, since it is larger than the sum of its proper divisors (1214899).

4489445 is a wasteful number, since it uses less digits than its factorization.

4489445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52839.

The product of its digits is 92160, while the sum is 38.

The square root of 4489445 is about 2118.8310456476. The cubic root of 4489445 is about 164.9671804942.

The spelling of 4489445 in words is "four million, four hundred eighty-nine thousand, four hundred forty-five".