6423841 has 4 divisors (see below), whose sum is σ = 6801732. Its totient is φ = 6045952.

The previous prime is 6423827. The next prime is 6423853. The reversal of 6423841 is 1483246.

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 4393216 + 2030625 = 2096^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 6423841 - 2¹³ = 6415649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6423811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188920 + ... + 188953.

It is an arithmetic number, because the mean of its divisors is an integer number (1700433).

Almost surely, 2^6423841 is an apocalyptic number.

It is an amenable number.

6423841 is a deficient number, since it is larger than the sum of its proper divisors (377891).

6423841 is a wasteful number, since it uses less digits than its factorization.

6423841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377890.

The product of its digits is 4608, while the sum is 28.

The square root of 6423841 is about 2534.5297394191. The cubic root of 6423841 is about 185.8938095826.

The spelling of 6423841 in words is "six million, four hundred twenty-three thousand, eight hundred forty-one".