2405841 has 4 divisors (see below), whose sum is σ = 3207792. Its totient is φ = 1603892.

The previous prime is 2405833. The next prime is 2405863. The reversal of 2405841 is 1485042.

2405841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2405841 - 2³ = 2405833 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2405831) 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 3 ways as a sum of consecutive naturals, for example, 400971 + ... + 400976.

It is an arithmetic number, because the mean of its divisors is an integer number (801948).

2^2405841 is an apocalyptic number.

It is an amenable number.

2405841 is a deficient number, since it is larger than the sum of its proper divisors (801951).

2405841 is an equidigital number, since it uses as much as digits as its factorization.

2405841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801950.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2405841 is about 1551.0773675094. The cubic root of 2405841 is about 133.9951175172.

The spelling of 2405841 in words is "two million, four hundred five thousand, eight hundred forty-one".