3871964 has 18 divisors (see below), whose sum is σ = 7023744. Its totient is φ = 1867600.

The previous prime is 3871961. The next prime is 3871969. The reversal of 3871964 is 4691783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871961) 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, 2789 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (390208).

Almost surely, 2^3871964 is an apocalyptic number.

It is an amenable number.

3871964 is a deficient number, since it is larger than the sum of its proper divisors (3151780).

3871964 is a wasteful number, since it uses less digits than its factorization.

3871964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1182 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 3871964 is about 1967.7306726277. The cubic root of 3871964 is about 157.0280015507.

It can be divided in two parts, 38719 and 64, that added together give a palindrome (38783).

The spelling of 3871964 in words is "three million, eight hundred seventy-one thousand, nine hundred sixty-four".