4087171 has 4 divisors (see below), whose sum is σ = 4458744. Its totient is φ = 3715600.

The previous prime is 4087163. The next prime is 4087177. The reversal of 4087171 is 1717804.

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 4087171 - 2³ = 4087163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4087177) 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 3 ways as a sum of consecutive naturals, for example, 185770 + ... + 185791.

It is an arithmetic number, because the mean of its divisors is an integer number (1114686).

Almost surely, 2^4087171 is an apocalyptic number.

4087171 is a deficient number, since it is larger than the sum of its proper divisors (371573).

4087171 is a wasteful number, since it uses less digits than its factorization.

4087171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371572.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 4087171 is about 2021.6752953924. The cubic root of 4087171 is about 159.8849563633.

The spelling of 4087171 in words is "four million, eighty-seven thousand, one hundred seventy-one".