3871934 has 32 divisors (see below), whose sum is σ = 6825600. Its totient is φ = 1628640.

The previous prime is 3871921. The next prime is 3871961. The reversal of 3871934 is 4391783.

It is a junction number, because it is equal to n+sod(n) for n = 3871894 and 3871903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24584 + ... + 24740.

It is an arithmetic number, because the mean of its divisors is an integer number (213300).

Almost surely, 2^3871934 is an apocalyptic number.

3871934 is a deficient number, since it is larger than the sum of its proper divisors (2953666).

3871934 is a wasteful number, since it uses less digits than its factorization.

3871934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its digits is 18144, while the sum is 35.

The square root of 3871934 is about 1967.7230496185. The cubic root of 3871934 is about 157.0275959984.

The spelling of 3871934 in words is "three million, eight hundred seventy-one thousand, nine hundred thirty-four".