8856943 has 4 divisors (see below), whose sum is σ = 9073008. Its totient is φ = 8640880.

The previous prime is 8856929. The next prime is 8856959. The reversal of 8856943 is 3496588.

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-8856943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8856943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8856443) 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, 107971 + ... + 108052.

It is an arithmetic number, because the mean of its divisors is an integer number (2268252).

Almost surely, 2^8856943 is an apocalyptic number.

8856943 is a deficient number, since it is larger than the sum of its proper divisors (216065).

8856943 is a wasteful number, since it uses less digits than its factorization.

8856943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216064.

The product of its digits is 207360, while the sum is 43.

The square root of 8856943 is about 2976.0616593075. The cubic root of 8856943 is about 206.9003775879.

The spelling of 8856943 in words is "eight million, eight hundred fifty-six thousand, nine hundred forty-three".