6441793 has 4 divisors (see below), whose sum is σ = 6820740. Its totient is φ = 6062848.

The previous prime is 6441763. The next prime is 6441833. The reversal of 6441793 is 3971446.

It is a happy number.

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 2782224 + 3659569 = 1668^2 + 1913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6441793 is a prime.

6441793 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6441733) 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, 189448 + ... + 189481.

It is an arithmetic number, because the mean of its divisors is an integer number (1705185).

Almost surely, 2^6441793 is an apocalyptic number.

It is an amenable number.

6441793 is a deficient number, since it is larger than the sum of its proper divisors (378947).

6441793 is a wasteful number, since it uses less digits than its factorization.

6441793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378946.

The product of its digits is 18144, while the sum is 34.

The square root of 6441793 is about 2538.0687539939. The cubic root of 6441793 is about 186.0668141665.

The spelling of 6441793 in words is "six million, four hundred forty-one thousand, seven hundred ninety-three".