4448665 has 16 divisors (see below), whose sum is σ = 5821200. Its totient is φ = 3244032.

The previous prime is 4448657. The next prime is 4448671. The reversal of 4448665 is 5668444.

4448665 = T₃₃₇ + T₃₃₈ + ... + T₄₀₁.

It can be written as a sum of positive squares in 8 ways, for example, as 974169 + 3474496 = 987^2 + 1864^2 .

It is a 5-Lehmer number, since φ(4448665) divides (4448665-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 4448665 - 2³ = 4448657 is a prime.

It is a super-3 number, since 3×4448665³ (a number of 21 digits) contains 333 as substring.

4448665 is a lucky number.

It is an unprimeable number.

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, 5401 + ... + 6169.

It is an arithmetic number, because the mean of its divisors is an integer number (363825).

Almost surely, 2^4448665 is an apocalyptic number.

It is an amenable number.

4448665 is a deficient number, since it is larger than the sum of its proper divisors (1372535).

4448665 is a wasteful number, since it uses less digits than its factorization.

4448665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its digits is 92160, while the sum is 37.

The square root of 4448665 is about 2109.1858618908. The cubic root of 4448665 is about 164.4661657487.

It can be divided in two parts, 44486 and 65, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 4448665 in words is "four million, four hundred forty-eight thousand, six hundred sixty-five".