3886943 has 4 divisors (see below), whose sum is σ = 3891048. Its totient is φ = 3882840.

The previous prime is 3886937. The next prime is 3886951. The reversal of 3886943 is 3496883.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3886943 - 2¹⁶ = 3821407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3886943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (972762).

Almost surely, 2^3886943 is an apocalyptic number.

3886943 is a deficient number, since it is larger than the sum of its proper divisors (4105).

3886943 is a wasteful number, since it uses less digits than its factorization.

3886943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104.

The product of its digits is 124416, while the sum is 41.

The square root of 3886943 is about 1971.5331597516. The cubic root of 3886943 is about 157.2302327538.

The spelling of 3886943 in words is "three million, eight hundred eighty-six thousand, nine hundred forty-three".