4320871 has 4 divisors (see below), whose sum is σ = 4335912. Its totient is φ = 4305832.

The previous prime is 4320863. The next prime is 4320893. The reversal of 4320871 is 1780234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1780234 = 2 ⋅890117.

It is a cyclic number.

It is not a de Polignac number, because 4320871 - 2³ = 4320863 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 (4320821) 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, 7081 + ... + 7666.

It is an arithmetic number, because the mean of its divisors is an integer number (1083978).

Almost surely, 2^4320871 is an apocalyptic number.

4320871 is a deficient number, since it is larger than the sum of its proper divisors (15041).

4320871 is a wasteful number, since it uses less digits than its factorization.

4320871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4320871 is about 2078.6704885575. The cubic root of 4320871 is about 162.8760018979.

The spelling of 4320871 in words is "four million, three hundred twenty thousand, eight hundred seventy-one".