3871671 has 8 divisors (see below), whose sum is σ = 5288304. Its totient is φ = 2518080.

The previous prime is 3871669. The next prime is 3871691. The reversal of 3871671 is 1761783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3871671 - 2¹ = 3871669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15616 + ... + 15861.

It is an arithmetic number, because the mean of its divisors is an integer number (661038).

Almost surely, 2^3871671 is an apocalyptic number.

3871671 is a deficient number, since it is larger than the sum of its proper divisors (1416633).

3871671 is a wasteful number, since it uses less digits than its factorization.

3871671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31521.

The product of its digits is 7056, while the sum is 33.

The square root of 3871671 is about 1967.6562199734. The cubic root of 3871671 is about 157.0240405665.

The spelling of 3871671 in words is "three million, eight hundred seventy-one thousand, six hundred seventy-one".