6444293 has 8 divisors (see below), whose sum is σ = 6697080. Its totient is φ = 6193600.

The previous prime is 6444271. The next prime is 6444299. The reversal of 6444293 is 3924446.

It can be written as a sum of positive squares in 4 ways, for example, as 693889 + 5750404 = 833^2 + 2398^2 .

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 6444293 - 2¹⁸ = 6182149 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 (6444299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8843 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (837135).

Almost surely, 2^6444293 is an apocalyptic number.

It is an amenable number.

6444293 is a deficient number, since it is larger than the sum of its proper divisors (252787).

6444293 is a wasteful number, since it uses less digits than its factorization.

6444293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its digits is 20736, while the sum is 32.

The square root of 6444293 is about 2538.5612066681. The cubic root of 6444293 is about 186.0908813205.

The spelling of 6444293 in words is "six million, four hundred forty-four thousand, two hundred ninety-three".