4449565 has 8 divisors (see below), whose sum is σ = 5356728. Its totient is φ = 3548160.

The previous prime is 4449559. The next prime is 4449589. The reversal of 4449565 is 5659444.

It can be written as a sum of positive squares in 4 ways, for example, as 47961 + 4401604 = 219^2 + 2098^2 .

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

It is not a de Polignac number, because 4449565 - 2¹⁹ = 3925277 is a prime.

It is a Duffinian number.

4449565 is a lucky number.

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, 505 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (669591).

Almost surely, 2^4449565 is an apocalyptic number.

It is an amenable number.

4449565 is a deficient number, since it is larger than the sum of its proper divisors (907163).

4449565 is a wasteful number, since it uses less digits than its factorization.

4449565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879.

The product of its digits is 86400, while the sum is 37.

The square root of 4449565 is about 2109.3992035648. The cubic root of 4449565 is about 164.4772559348.

The spelling of 4449565 in words is "four million, four hundred forty-nine thousand, five hundred sixty-five".