8722843 has 12 divisors (see below), whose sum is σ = 9360408. Its totient is φ = 8125920.

The previous prime is 8722841. The next prime is 8722859. The reversal of 8722843 is 3482278.

It is not a de Polignac number, because 8722843 - 2¹ = 8722841 is a prime.

It is a super-3 number, since 3×8722843³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8722799 and 8722808.

It is not an unprimeable number, because it can be changed into a prime (8722841) 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 11 ways as a sum of consecutive naturals, for example, 26188 + ... + 26518.

It is an arithmetic number, because the mean of its divisors is an integer number (780034).

Almost surely, 2^8722843 is an apocalyptic number.

8722843 is a deficient number, since it is larger than the sum of its proper divisors (637565).

8722843 is a wasteful number, since it uses less digits than its factorization.

8722843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 423 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 8722843 is about 2953.4459534584. The cubic root of 8722843 is about 205.8508597831.

The spelling of 8722843 in words is "eight million, seven hundred twenty-two thousand, eight hundred forty-three".