6441959 has 8 divisors (see below), whose sum is σ = 6771600. Its totient is φ = 6120576.

The previous prime is 6441949. The next prime is 6441977. The reversal of 6441959 is 9591446.

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 6441959 - 2¹⁶ = 6376423 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 (6441949) 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, 434 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (846450).

Almost surely, 2^6441959 is an apocalyptic number.

6441959 is a deficient number, since it is larger than the sum of its proper divisors (329641).

6441959 is a wasteful number, since it uses less digits than its factorization.

6441959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129.

The product of its digits is 38880, while the sum is 38.

The square root of 6441959 is about 2538.1014558130. The cubic root of 6441959 is about 186.0684124185.

The spelling of 6441959 in words is "six million, four hundred forty-one thousand, nine hundred fifty-nine".