6443243 has 8 divisors (see below), whose sum is σ = 6749088. Its totient is φ = 6139584.

The previous prime is 6443231. The next prime is 6443287. The reversal of 6443243 is 3423446.

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 6443243 - 2¹⁴ = 6426859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6443293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10205 + ... + 10817.

It is an arithmetic number, because the mean of its divisors is an integer number (843636).

Almost surely, 2^6443243 is an apocalyptic number.

6443243 is a deficient number, since it is larger than the sum of its proper divisors (305845).

6443243 is a wasteful number, since it uses less digits than its factorization.

6443243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093.

The product of its digits is 6912, while the sum is 26.

The square root of 6443243 is about 2538.3543881814. The cubic root of 6443243 is about 186.0807738741.

Adding to 6443243 its reverse (3423446), we get a palindrome (9866689).

The spelling of 6443243 in words is "six million, four hundred forty-three thousand, two hundred forty-three".