2443641 has 8 divisors (see below), whose sum is σ = 3337824. Its totient is φ = 1589280.

The previous prime is 2443619. The next prime is 2443643. The reversal of 2443641 is 1463442.

2443641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2443641 - 2¹⁰ = 2442617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2443643) 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 7 ways as a sum of consecutive naturals, for example, 9811 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (417228).

2^2443641 is an apocalyptic number.

It is an amenable number.

2443641 is a deficient number, since it is larger than the sum of its proper divisors (894183).

2443641 is a wasteful number, since it uses less digits than its factorization.

2443641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19911.

The product of its digits is 2304, while the sum is 24.

The square root of 2443641 is about 1563.2149564279. The cubic root of 2443641 is about 134.6932403799.

The spelling of 2443641 in words is "two million, four hundred forty-three thousand, six hundred forty-one".