4044065 has 8 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 3204592.

The previous prime is 4044049. The next prime is 4044077. The reversal of 4044065 is 5604404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4044065 - 2⁴ = 4044049 is a prime.

It is a super-3 number, since 3×4044065³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4044065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245 + ... + 4314.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 2^4044065 is an apocalyptic number.

It is an amenable number.

4044065 is a deficient number, since it is larger than the sum of its proper divisors (854815).

4044065 is a wasteful number, since it uses less digits than its factorization.

4044065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4044065 is about 2010.9860765306. The cubic root of 4044065 is about 159.3208846134.

Adding to 4044065 its reverse (5604404), we get a palindrome (9648469).

The spelling of 4044065 in words is "four million, forty-four thousand, sixty-five".