3884009 has 4 divisors (see below), whose sum is σ = 3889620. Its totient is φ = 3878400.

The previous prime is 3883969. The next prime is 3884011. The reversal of 3884009 is 9004883.

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 2890000 + 994009 = 1700^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 3884009 - 2¹² = 3879913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3884099) 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, 1592 + ... + 3209.

It is an arithmetic number, because the mean of its divisors is an integer number (972405).

Almost surely, 2^3884009 is an apocalyptic number.

It is an amenable number.

3884009 is a deficient number, since it is larger than the sum of its proper divisors (5611).

3884009 is an equidigital number, since it uses as much as digits as its factorization.

3884009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3884009 is about 1970.7889283229. The cubic root of 3884009 is about 157.1906618430.

The spelling of 3884009 in words is "three million, eight hundred eighty-four thousand, nine".