4459865 has 16 divisors (see below), whose sum is σ = 5754240. Its totient is φ = 3306240.

The previous prime is 4459849. The next prime is 4459891. The reversal of 4459865 is 5689544.

It is a happy number.

It is not a de Polignac number, because 4459865 - 2⁴ = 4459849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5666 + ... + 6404.

It is an arithmetic number, because the mean of its divisors is an integer number (359640).

Almost surely, 2^4459865 is an apocalyptic number.

It is an amenable number.

4459865 is a deficient number, since it is larger than the sum of its proper divisors (1294375).

4459865 is a wasteful number, since it uses less digits than its factorization.

4459865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832.

The product of its digits is 172800, while the sum is 41.

The square root of 4459865 is about 2111.8392457761. The cubic root of 4459865 is about 164.6040705947.

The spelling of 4459865 in words is "four million, four hundred fifty-nine thousand, eight hundred sixty-five".