3884885 has 4 divisors (see below), whose sum is σ = 4661868. Its totient is φ = 3107904.

The previous prime is 3884843. The next prime is 3884893. The reversal of 3884885 is 5884883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2010724 + 1874161 = 1418^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 3884885 - 2¹⁸ = 3622741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 388484 + ... + 388493.

It is an arithmetic number, because the mean of its divisors is an integer number (1165467).

Almost surely, 2^3884885 is an apocalyptic number.

It is an amenable number.

3884885 is a deficient number, since it is larger than the sum of its proper divisors (776983).

3884885 is an equidigital number, since it uses as much as digits as its factorization.

3884885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776982.

The product of its digits is 245760, while the sum is 44.

The square root of 3884885 is about 1971.0111618152. The cubic root of 3884885 is about 157.2024785569.

Subtracting from 3884885 its sum of digits (44), we obtain a square (3884841 = 1971²).

The spelling of 3884885 in words is "three million, eight hundred eighty-four thousand, eight hundred eighty-five".