3843609 has 24 divisors (see below), whose sum is σ = 6506208. Its totient is φ = 1995840.

The previous prime is 3843577. The next prime is 3843611. The reversal of 3843609 is 9063483.

3843609 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 3843609 - 2⁵ = 3843577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3843609.

It is not an unprimeable number, because it can be changed into a prime (3843629) 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, 429 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (271092).

Almost surely, 2^3843609 is an apocalyptic number.

It is an amenable number.

3843609 is a deficient number, since it is larger than the sum of its proper divisors (2662599).

3843609 is a wasteful number, since it uses less digits than its factorization.

3843609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3843609 is about 1960.5124330134. The cubic root of 3843609 is about 156.6437484709.

It can be divided in two parts, 384 and 3609, that added together give a palindrome (3993).

The spelling of 3843609 in words is "three million, eight hundred forty-three thousand, six hundred nine".