3842209 has 12 divisors (see below), whose sum is σ = 4495296. Its totient is φ = 3216672.

The previous prime is 3842197. The next prime is 3842213. The reversal of 3842209 is 9022483.

It is not a de Polignac number, because 3842209 - 2⁵ = 3842177 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37252 + ... + 37354.

It is an arithmetic number, because the mean of its divisors is an integer number (374608).

Almost surely, 2^3842209 is an apocalyptic number.

It is an amenable number.

3842209 is a deficient number, since it is larger than the sum of its proper divisors (653087).

3842209 is an equidigital number, since it uses as much as digits as its factorization.

3842209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3842209 is about 1960.1553509862. The cubic root of 3842209 is about 156.6247274692.

The spelling of 3842209 in words is "three million, eight hundred forty-two thousand, two hundred nine".