4144085 has 8 divisors (see below), whose sum is σ = 5425056. Its totient is φ = 3013840.

The previous prime is 4144081. The next prime is 4144087. The reversal of 4144085 is 5804414.

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

It is not a de Polignac number, because 4144085 - 2² = 4144081 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37619 + ... + 37728.

It is an arithmetic number, because the mean of its divisors is an integer number (678132).

Almost surely, 2^4144085 is an apocalyptic number.

It is an amenable number.

4144085 is a deficient number, since it is larger than the sum of its proper divisors (1280971).

4144085 is a wasteful number, since it uses less digits than its factorization.

4144085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75363.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 4144085 is about 2035.7025814200. The cubic root of 4144085 is about 160.6236725655.

Adding to 4144085 its reverse (5804414), we get a palindrome (9948499).

The spelling of 4144085 in words is "four million, one hundred forty-four thousand, eighty-five".