4085071 has 4 divisors (see below), whose sum is σ = 4114600. Its totient is φ = 4055544.

The previous prime is 4085069. The next prime is 4085089. The reversal of 4085071 is 1705804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4085071 - 2¹ = 4085069 is a prime.

It is an Ulam number.

It is a Duffinian number.

4085071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14556 + ... + 14833.

It is an arithmetic number, because the mean of its divisors is an integer number (1028650).

Almost surely, 2^4085071 is an apocalyptic number.

4085071 is a deficient number, since it is larger than the sum of its proper divisors (29529).

4085071 is a wasteful number, since it uses less digits than its factorization.

4085071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29528.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 4085071 is about 2021.1558574242. The cubic root of 4085071 is about 159.8575685582.

The spelling of 4085071 in words is "four million, eighty-five thousand, seventy-one".