3844345 has 4 divisors (see below), whose sum is σ = 4613220. Its totient is φ = 3075472.

The previous prime is 3844343. The next prime is 3844391. The reversal of 3844345 is 5434483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5434483 = 139 ⋅39097.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 3283344 = 749^2 + 1812^2 .

It is a cyclic number.

It is not a de Polignac number, because 3844345 - 2¹ = 3844343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3844343) 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, 384430 + ... + 384439.

It is an arithmetic number, because the mean of its divisors is an integer number (1153305).

Almost surely, 2^3844345 is an apocalyptic number.

It is an amenable number.

3844345 is a deficient number, since it is larger than the sum of its proper divisors (768875).

3844345 is an equidigital number, since it uses as much as digits as its factorization.

3844345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768874.

The product of its digits is 23040, while the sum is 31.

The square root of 3844345 is about 1960.7001300556. The cubic root of 3844345 is about 156.6537462309.

The spelling of 3844345 in words is "three million, eight hundred forty-four thousand, three hundred forty-five".