4065369 has 16 divisors (see below), whose sum is σ = 6758400. Its totient is φ = 2111760.

The previous prime is 4065361. The next prime is 4065377. The reversal of 4065369 is 9635604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4065361) and next prime (4065377).

It is not a de Polignac number, because 4065369 - 2³ = 4065361 is a prime.

It is a super-2 number, since 2×4065369² = 33054450212322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8569 + ... + 9030.

It is an arithmetic number, because the mean of its divisors is an integer number (422400).

Almost surely, 2^4065369 is an apocalyptic number.

It is an amenable number.

4065369 is a deficient number, since it is larger than the sum of its proper divisors (2693031).

4065369 is a wasteful number, since it uses less digits than its factorization.

4065369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17620.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 4065369 is about 2016.2760227707. The cubic root of 4065369 is about 159.6001604888.

It can be divided in two parts, 406 and 5369, that added together give a palindrome (5775).

The spelling of 4065369 in words is "four million, sixty-five thousand, three hundred sixty-nine".