8994943 has 2 divisors, whose sum is σ = 8994944. Its totient is φ = 8994942.

The previous prime is 8994911. The next prime is 8995003. The reversal of 8994943 is 3494998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8994943 - 2⁵ = 8994911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8994893 and 8994902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8997943) 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, 4497471 + 4497472.

It is an arithmetic number, because the mean of its divisors is an integer number (4497472).

Almost surely, 2^8994943 is an apocalyptic number.

8994943 is a deficient number, since it is larger than the sum of its proper divisors (1).

8994943 is an equidigital number, since it uses as much as digits as its factorization.

8994943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 8994943 is about 2999.1570482387. The cubic root of 8994943 is about 207.9694158064.

Subtracting from 8994943 its reverse (3494998), we obtain a palindrome (5499945).

The spelling of 8994943 in words is "eight million, nine hundred ninety-four thousand, nine hundred forty-three".