8662943 has 2 divisors, whose sum is σ = 8662944. Its totient is φ = 8662942.

The previous prime is 8662939. The next prime is 8662963. The reversal of 8662943 is 3492668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8662943 - 2² = 8662939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8662897 and 8662906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8662963) 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 as a sum of consecutive naturals, namely, 4331471 + 4331472.

It is an arithmetic number, because the mean of its divisors is an integer number (4331472).

Almost surely, 2^8662943 is an apocalyptic number.

8662943 is a deficient number, since it is larger than the sum of its proper divisors (1).

8662943 is an equidigital number, since it uses as much as digits as its factorization.

8662943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 8662943 is about 2943.2877874921. The cubic root of 8662943 is about 205.3785825976.

The spelling of 8662943 in words is "eight million, six hundred sixty-two thousand, nine hundred forty-three".