4085271 has 12 divisors (see below), whose sum is σ = 5933200. Its totient is φ = 2708640.

The previous prime is 4085267. The next prime is 4085309. The reversal of 4085271 is 1725804.

It is not a de Polignac number, because 4085271 - 2² = 4085267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651 + ... + 2931.

Almost surely, 2^4085271 is an apocalyptic number.

4085271 is a deficient number, since it is larger than the sum of its proper divisors (1847929).

4085271 is a wasteful number, since it uses less digits than its factorization.

4085271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4085271 is about 2021.2053334582. The cubic root of 4085271 is about 159.8601773249.

It can be divided in two parts, 4085 and 271, that added together give a square (4356 = 66²).

The spelling of 4085271 in words is "four million, eighty-five thousand, two hundred seventy-one".