3884805 has 24 divisors (see below), whose sum is σ = 6795360. Its totient is φ = 2052960.

The previous prime is 3884767. The next prime is 3884807. The reversal of 3884805 is 5084883.

3884805 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 3884805 - 2¹⁶ = 3819269 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

3884805 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3884805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884807) 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 23 ways as a sum of consecutive naturals, for example, 5566 + ... + 6224.

It is an arithmetic number, because the mean of its divisors is an integer number (283140).

Almost surely, 2^3884805 is an apocalyptic number.

It is an amenable number.

3884805 is a deficient number, since it is larger than the sum of its proper divisors (2910555).

3884805 is a wasteful number, since it uses less digits than its factorization.

3884805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 3884805 is about 1970.9908675588. The cubic root of 3884805 is about 157.2013994786.

Adding to 3884805 its sum of digits (36), we get a square (3884841 = 1971²).

The spelling of 3884805 in words is "three million, eight hundred eighty-four thousand, eight hundred five".