3858887 has 4 divisors (see below), whose sum is σ = 3873096. Its totient is φ = 3844680.

The previous prime is 3858859. The next prime is 3858889. The reversal of 3858887 is 7888583.

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 3858887 - 2¹⁰ = 3857863 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3858889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689 + ... + 7242.

It is an arithmetic number, because the mean of its divisors is an integer number (968274).

Almost surely, 2^3858887 is an apocalyptic number.

3858887 is a deficient number, since it is larger than the sum of its proper divisors (14209).

3858887 is a wasteful number, since it uses less digits than its factorization.

3858887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14208.

The product of its digits is 430080, while the sum is 47.

The square root of 3858887 is about 1964.4049989755. The cubic root of 3858887 is about 156.8510223508.

The spelling of 3858887 in words is "three million, eight hundred fifty-eight thousand, eight hundred eighty-seven".