4080865 has 8 divisors (see below), whose sum is σ = 4912128. Its totient is φ = 3254640.

The previous prime is 4080859. The next prime is 4080889. The reversal of 4080865 is 5680804.

4080865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4080865 - 2⁷ = 4080737 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 850 + ... + 2980.

It is an arithmetic number, because the mean of its divisors is an integer number (614016).

Almost surely, 2^4080865 is an apocalyptic number.

It is an amenable number.

4080865 is a deficient number, since it is larger than the sum of its proper divisors (831263).

4080865 is a wasteful number, since it uses less digits than its factorization.

4080865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 4080865 is about 2020.1150957309. The cubic root of 4080865 is about 159.8026864586.

The spelling of 4080865 in words is "four million, eighty thousand, eight hundred sixty-five".