4080065 has 16 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 2870400.

The previous prime is 4080049. The next prime is 4080071. The reversal of 4080065 is 5600804.

It is not a de Polignac number, because 4080065 - 2⁴ = 4080049 is a prime.

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 4080065.

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, 509 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (344736).

Almost surely, 2^4080065 is an apocalyptic number.

It is an amenable number.

4080065 is a deficient number, since it is larger than the sum of its proper divisors (1435711).

4080065 is a wasteful number, since it uses less digits than its factorization.

4080065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4080065 is about 2019.9170775059. The cubic root of 4080065 is about 159.7922433700.

Adding to 4080065 its reverse (5600804), we get a palindrome (9680869).

The spelling of 4080065 in words is "four million, eighty thousand, sixty-five".