3887143 has 4 divisors (see below), whose sum is σ = 4186168. Its totient is φ = 3588120.

The previous prime is 3887129. The next prime is 3887167. The reversal of 3887143 is 3417883.

3887143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3887143 - 2⁵ = 3887111 is a prime.

It is a Duffinian number.

3887143 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3887099 and 3887108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887173) 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, 149493 + ... + 149518.

It is an arithmetic number, because the mean of its divisors is an integer number (1046542).

Almost surely, 2^3887143 is an apocalyptic number.

3887143 is a deficient number, since it is larger than the sum of its proper divisors (299025).

3887143 is a wasteful number, since it uses less digits than its factorization.

3887143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299024.

The product of its digits is 16128, while the sum is 34.

The square root of 3887143 is about 1971.5838810459. The cubic root of 3887143 is about 157.2329294323.

The spelling of 3887143 in words is "three million, eight hundred eighty-seven thousand, one hundred forty-three".