3858881 has 16 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 3172608.

The previous prime is 3858859. The next prime is 3858889. The reversal of 3858881 is 1888583.

It is a happy number.

3858881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3858881 - 2⁶ = 3858817 is a prime.

It is a super-2 number, since 2×3858881² = 29781925144322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740 + ... + 4658.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

Almost surely, 2^3858881 is an apocalyptic number.

It is an amenable number.

3858881 is a deficient number, since it is larger than the sum of its proper divisors (777919).

3858881 is a wasteful number, since it uses less digits than its factorization.

3858881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its digits is 61440, while the sum is 41.

The square root of 3858881 is about 1964.4034717949. The cubic root of 3858881 is about 156.8509410573.

The spelling of 3858881 in words is "three million, eight hundred fifty-eight thousand, eight hundred eighty-one".