3871892 has 12 divisors (see below), whose sum is σ = 6933696. Its totient is φ = 1890840.

The previous prime is 3871883. The next prime is 3871909. The reversal of 3871892 is 2981783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11084 + ... + 11427.

It is an arithmetic number, because the mean of its divisors is an integer number (577808).

Almost surely, 2^3871892 is an apocalyptic number.

It is an amenable number.

3871892 is a deficient number, since it is larger than the sum of its proper divisors (3061804).

3871892 is a wasteful number, since it uses less digits than its factorization.

3871892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22558 (or 22556 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 3871892 is about 1967.7123773560. The cubic root of 3871892 is about 157.0270282216.

The spelling of 3871892 in words is "three million, eight hundred seventy-one thousand, eight hundred ninety-two".