3912871 has 4 divisors (see below), whose sum is σ = 4003912. Its totient is φ = 3821832.

The previous prime is 3912859. The next prime is 3912877. The reversal of 3912871 is 1782193.

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-3912871 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 (3912877) 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, 45456 + ... + 45541.

It is an arithmetic number, because the mean of its divisors is an integer number (1000978).

Almost surely, 2^3912871 is an apocalyptic number.

3912871 is a deficient number, since it is larger than the sum of its proper divisors (91041).

3912871 is an equidigital number, since it uses as much as digits as its factorization.

3912871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91040.

The product of its digits is 3024, while the sum is 31.

The square root of 3912871 is about 1978.0978236680. The cubic root of 3912871 is about 157.5790616750.

The spelling of 3912871 in words is "three million, nine hundred twelve thousand, eight hundred seventy-one".