6441791 has 8 divisors (see below), whose sum is σ = 6570960. Its totient is φ = 6314112.

The previous prime is 6441763. The next prime is 6441833. The reversal of 6441791 is 1971446.

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

It is a cyclic number.

It is not a de Polignac number, because 6441791 - 2¹⁸ = 6179647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443791) 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 7 ways as a sum of consecutive naturals, for example, 12056 + ... + 12578.

It is an arithmetic number, because the mean of its divisors is an integer number (821370).

Almost surely, 2^6441791 is an apocalyptic number.

6441791 is a deficient number, since it is larger than the sum of its proper divisors (129169).

6441791 is a wasteful number, since it uses less digits than its factorization.

6441791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 6048, while the sum is 32.

The square root of 6441791 is about 2538.0683599935. The cubic root of 6441791 is about 186.0667949103.

The spelling of 6441791 in words is "six million, four hundred forty-one thousand, seven hundred ninety-one".