3871156 has 12 divisors (see below), whose sum is σ = 6993280. Its totient is φ = 1873080.

The previous prime is 3871151. The next prime is 3871159. The reversal of 3871156 is 6511783.

3871156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871151) 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 3 ways as a sum of consecutive naturals, for example, 15486 + ... + 15733.

Almost surely, 2^3871156 is an apocalyptic number.

It is an amenable number.

3871156 is a deficient number, since it is larger than the sum of its proper divisors (3122124).

3871156 is a wasteful number, since it uses less digits than its factorization.

3871156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31254 (or 31252 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 3871156 is about 1967.5253492649. The cubic root of 3871156 is about 157.0170779426.

The spelling of 3871156 in words is "three million, eight hundred seventy-one thousand, one hundred fifty-six".