8242943 has 8 divisors (see below), whose sum is σ = 8859312. Its totient is φ = 7641216.

The previous prime is 8242937. The next prime is 8242957. The reversal of 8242943 is 3492428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8242943 - 2⁸ = 8242687 is a prime.

It is a super-2 number, since 2×8242943² = 135892218602498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8242933) 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, 2480 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (1107414).

Almost surely, 2^8242943 is an apocalyptic number.

8242943 is a deficient number, since it is larger than the sum of its proper divisors (616369).

8242943 is a wasteful number, since it uses less digits than its factorization.

8242943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321.

The product of its digits is 13824, while the sum is 32.

The square root of 8242943 is about 2871.0525944329. The cubic root of 8242943 is about 202.0043703920.

The spelling of 8242943 in words is "eight million, two hundred forty-two thousand, nine hundred forty-three".