8242443 has 12 divisors (see below), whose sum is σ = 12988248. Its totient is φ = 4995360.

The previous prime is 8242439. The next prime is 8242457. The reversal of 8242443 is 3442428.

It is a happy number.

It is not a de Polignac number, because 8242443 - 2² = 8242439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8242043) 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 11 ways as a sum of consecutive naturals, for example, 41530 + ... + 41727.

It is an arithmetic number, because the mean of its divisors is an integer number (1082354).

Almost surely, 2^8242443 is an apocalyptic number.

8242443 is a deficient number, since it is larger than the sum of its proper divisors (4745805).

8242443 is a wasteful number, since it uses less digits than its factorization.

8242443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83274 (or 83271 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 8242443 is about 2870.9655170343. The cubic root of 8242443 is about 202.0002859193. Note that the first 3 decimals are identical.

The spelling of 8242443 in words is "eight million, two hundred forty-two thousand, four hundred forty-three".