3841609 has 4 divisors (see below), whose sum is σ = 4067604. Its totient is φ = 3615616.

The previous prime is 3841603. The next prime is 3841619. The reversal of 3841609 is 9061483.

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 2985984 + 855625 = 1728^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 3841609 - 2¹⁵ = 3808841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3841603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112972 + ... + 113005.

It is an arithmetic number, because the mean of its divisors is an integer number (1016901).

Almost surely, 2^3841609 is an apocalyptic number.

It is an amenable number.

3841609 is a deficient number, since it is larger than the sum of its proper divisors (225995).

3841609 is a wasteful number, since it uses less digits than its factorization.

3841609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225994.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3841609 is about 1960.0022959170. The cubic root of 3841609 is about 156.6165741969.

The spelling of 3841609 in words is "three million, eight hundred forty-one thousand, six hundred nine".