3871544 has 32 divisors (see below), whose sum is σ = 7737120. Its totient is φ = 1812096.

The previous prime is 3871537. The next prime is 3871547. The reversal of 3871544 is 4451783.

3871544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3871544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9554 + ... + 9950.

It is an arithmetic number, because the mean of its divisors is an integer number (241785).

Almost surely, 2^3871544 is an apocalyptic number.

It is an amenable number.

3871544 is a deficient number, since it is larger than the sum of its proper divisors (3865576).

3871544 is a wasteful number, since it uses less digits than its factorization.

3871544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 3871544 is about 1967.6239478112. The cubic root of 3871544 is about 157.0223236273.

The spelling of 3871544 in words is "three million, eight hundred seventy-one thousand, five hundred forty-four".