3913871 has 6 divisors (see below), whose sum is σ = 4238280. Its totient is φ = 3612648.

The previous prime is 3913837. The next prime is 3913907. The reversal of 3913871 is 1783193.

It is not a de Polignac number, because 3913871 - 2⁶ = 3913807 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 (3913171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11411 + ... + 11748.

It is an arithmetic number, because the mean of its divisors is an integer number (706380).

Almost surely, 2^3913871 is an apocalyptic number.

3913871 is a deficient number, since it is larger than the sum of its proper divisors (324409).

3913871 is a wasteful number, since it uses less digits than its factorization.

3913871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23185 (or 23172 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 3913871 is about 1978.3505756059. The cubic root of 3913871 is about 157.5924845248.

The spelling of 3913871 in words is "three million, nine hundred thirteen thousand, eight hundred seventy-one".