8743243 has 4 divisors (see below), whose sum is σ = 9123408. Its totient is φ = 8363080.

The previous prime is 8743213. The next prime is 8743261. The reversal of 8743243 is 3423478.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8743243 is a prime.

It is a d-powerful number, because it can be written as 8 + 7⁵ + 4⁷ + 3⁵ + 2²³ + 4⁹ + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8743213) 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 3 ways as a sum of consecutive naturals, for example, 190048 + ... + 190093.

It is an arithmetic number, because the mean of its divisors is an integer number (2280852).

Almost surely, 2^8743243 is an apocalyptic number.

8743243 is a deficient number, since it is larger than the sum of its proper divisors (380165).

8743243 is a wasteful number, since it uses less digits than its factorization.

8743243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380164.

The product of its digits is 16128, while the sum is 31.

The square root of 8743243 is about 2956.8975295062. The cubic root of 8743243 is about 206.0112084265.

It can be divided in two parts, 874 and 3243, that multiplied together give a palindrome (2834382).

The spelling of 8743243 in words is "eight million, seven hundred forty-three thousand, two hundred forty-three".