3867943 has 8 divisors (see below), whose sum is σ = 4013712. Its totient is φ = 3724416.

The previous prime is 3867937. The next prime is 3867947. The reversal of 3867943 is 3497683.

3867943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3867943 - 2⁵ = 3867911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3867896 and 3867905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867947) 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, 3471 + ... + 4447.

It is an arithmetic number, because the mean of its divisors is an integer number (501714).

Almost surely, 2^3867943 is an apocalyptic number.

3867943 is a deficient number, since it is larger than the sum of its proper divisors (145769).

3867943 is a wasteful number, since it uses less digits than its factorization.

3867943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its digits is 108864, while the sum is 40.

The square root of 3867943 is about 1966.7086718678. The cubic root of 3867943 is about 156.9736253314.

The spelling of 3867943 in words is "three million, eight hundred sixty-seven thousand, nine hundred forty-three".