6441329 has 4 divisors (see below), whose sum is σ = 6488484. Its totient is φ = 6394176.

The previous prime is 6441319. The next prime is 6441343. The reversal of 6441329 is 9231446.

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 5290000 + 1151329 = 2300^2 + 1073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6441329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6441319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23372 + ... + 23645.

It is an arithmetic number, because the mean of its divisors is an integer number (1622121).

Almost surely, 2^6441329 is an apocalyptic number.

It is an amenable number.

6441329 is a deficient number, since it is larger than the sum of its proper divisors (47155).

6441329 is a wasteful number, since it uses less digits than its factorization.

6441329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47154.

The product of its digits is 5184, while the sum is 29.

The square root of 6441329 is about 2537.9773442645. The cubic root of 6441329 is about 186.0623466177.

The spelling of 6441329 in words is "six million, four hundred forty-one thousand, three hundred twenty-nine".