8622943 has 8 divisors (see below), whose sum is σ = 9966240. Its totient is φ = 7307520.

The previous prime is 8622923. The next prime is 8622959. The reversal of 8622943 is 3492268.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8622943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8622899 and 8622908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8622923) 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 7 ways as a sum of consecutive naturals, for example, 6298 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (1245780).

Almost surely, 2^8622943 is an apocalyptic number.

8622943 is a deficient number, since it is larger than the sum of its proper divisors (1343297).

8622943 is a wasteful number, since it uses less digits than its factorization.

8622943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937.

The product of its digits is 20736, while the sum is 34.

The square root of 8622943 is about 2936.4848032980. The cubic root of 8622943 is about 205.0619919597.

The spelling of 8622943 in words is "eight million, six hundred twenty-two thousand, nine hundred forty-three".