4427665 has 24 divisors (see below), whose sum is σ = 6144768. Its totient is φ = 3036960.

The previous prime is 4427659. The next prime is 4427681. The reversal of 4427665 is 5667244.

It is a de Polignac number, because none of the positive numbers 2^k-4427665 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4427665.

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 23 ways as a sum of consecutive naturals, for example, 19744 + ... + 19966.

It is an arithmetic number, because the mean of its divisors is an integer number (256032).

Almost surely, 2^4427665 is an apocalyptic number.

It is an amenable number.

4427665 is a deficient number, since it is larger than the sum of its proper divisors (1717103).

4427665 is a wasteful number, since it uses less digits than its factorization.

4427665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 258 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 4427665 is about 2104.2017488825. The cubic root of 4427665 is about 164.2069690132.

The spelling of 4427665 in words is "four million, four hundred twenty-seven thousand, six hundred sixty-five".