3885844 has 12 divisors (see below), whose sum is σ = 6861204. Its totient is φ = 1925504.

The previous prime is 3885841. The next prime is 3885859. The reversal of 3885844 is 4485883.

3885844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 2762244 = 1060^2 + 1662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3885797 and 3885806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885841) 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, 3847 + ... + 4750.

It is an arithmetic number, because the mean of its divisors is an integer number (571767).

Almost surely, 2^3885844 is an apocalyptic number.

It is an amenable number.

3885844 is a deficient number, since it is larger than the sum of its proper divisors (2975360).

3885844 is a wasteful number, since it uses less digits than its factorization.

3885844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714 (or 8712 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 3885844 is about 1971.2544229500. The cubic root of 3885844 is about 157.2154128543.

The spelling of 3885844 in words is "three million, eight hundred eighty-five thousand, eight hundred forty-four".