4857871 has 4 divisors (see below), whose sum is σ = 4876200. Its totient is φ = 4839544.

The previous prime is 4857829. The next prime is 4857893. The reversal of 4857871 is 1787584.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4857871 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4857871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4857271) 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, 8761 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (1219050).

Almost surely, 2^4857871 is an apocalyptic number.

4857871 is a deficient number, since it is larger than the sum of its proper divisors (18329).

4857871 is a wasteful number, since it uses less digits than its factorization.

4857871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18328.

The product of its digits is 62720, while the sum is 40.

The square root of 4857871 is about 2204.0578486056. The cubic root of 4857871 is about 169.3617474415.

The spelling of 4857871 in words is "four million, eight hundred fifty-seven thousand, eight hundred seventy-one".