8759243 has 4 divisors (see below), whose sum is σ = 8800968. Its totient is φ = 8717520.

The previous prime is 8759221. The next prime is 8759273. The reversal of 8759243 is 3429578.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3429578 = 2 ⋅1714789.

It is a cyclic number.

It is not a de Polignac number, because 8759243 - 2⁸ = 8758987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8759197 and 8759206.

It is not an unprimeable number, because it can be changed into a prime (8759273) 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 3 ways as a sum of consecutive naturals, for example, 20546 + ... + 20967.

It is an arithmetic number, because the mean of its divisors is an integer number (2200242).

Almost surely, 2^8759243 is an apocalyptic number.

8759243 is a deficient number, since it is larger than the sum of its proper divisors (41725).

8759243 is a wasteful number, since it uses less digits than its factorization.

8759243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41724.

The product of its digits is 60480, while the sum is 38.

The square root of 8759243 is about 2959.6018313280. The cubic root of 8759243 is about 206.1367976281.

Subtracting from 8759243 its sum of digits (38), we obtain a triangular number (8759205 = T₄₁₈₅).

The spelling of 8759243 in words is "eight million, seven hundred fifty-nine thousand, two hundred forty-three".