3831971 has 16 divisors (see below), whose sum is σ = 4558848. Its totient is φ = 3175200.

The previous prime is 3831937. The next prime is 3832001. The reversal of 3831971 is 1791383.

It is a cyclic number.

It is not a de Polignac number, because 3831971 - 2⁶ = 3831907 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 (3831911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18056 + ... + 18266.

It is an arithmetic number, because the mean of its divisors is an integer number (284928).

Almost surely, 2^3831971 is an apocalyptic number.

3831971 is a deficient number, since it is larger than the sum of its proper divisors (726877).

3831971 is a wasteful number, since it uses less digits than its factorization.

3831971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

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

The square root of 3831971 is about 1957.5420812846. The cubic root of 3831971 is about 156.4854889627.

The spelling of 3831971 in words is "three million, eight hundred thirty-one thousand, nine hundred seventy-one".