3861271 has 4 divisors (see below), whose sum is σ = 3951112. Its totient is φ = 3771432.

The previous prime is 3861269. The next prime is 3861289. The reversal of 3861271 is 1721683.

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 3861271 - 2¹ = 3861269 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 (3861211) 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, 44856 + ... + 44941.

It is an arithmetic number, because the mean of its divisors is an integer number (987778).

Almost surely, 2^3861271 is an apocalyptic number.

3861271 is the 1135-th hex number.

3861271 is a deficient number, since it is larger than the sum of its proper divisors (89841).

3861271 is an equidigital number, since it uses as much as digits as its factorization.

3861271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89840.

The product of its digits is 2016, while the sum is 28.

The square root of 3861271 is about 1965.0117047997. The cubic root of 3861271 is about 156.8833162790.

It can be divided in two parts, 38612 and 71, that added together give a palindrome (38683).

The spelling of 3861271 in words is "three million, eight hundred sixty-one thousand, two hundred seventy-one".