8859943 has 2 divisors, whose sum is σ = 8859944. Its totient is φ = 8859942.

The previous prime is 8859919. The next prime is 8859953. The reversal of 8859943 is 3499588.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8859943 - 2⁵ = 8859911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8859893 and 8859902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8859913) 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 as a sum of consecutive naturals, namely, 4429971 + 4429972.

It is an arithmetic number, because the mean of its divisors is an integer number (4429972).

Almost surely, 2^8859943 is an apocalyptic number.

8859943 is a deficient number, since it is larger than the sum of its proper divisors (1).

8859943 is an equidigital number, since it uses as much as digits as its factorization.

8859943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 8859943 is about 2976.5656384498. The cubic root of 8859943 is about 206.9237351981.

It can be divided in two parts, 88 and 59943, that added together give a triangular number (60031 = T₃₄₆).

The spelling of 8859943 in words is "eight million, eight hundred fifty-nine thousand, nine hundred forty-three".