8748643 has 2 divisors, whose sum is σ = 8748644. Its totient is φ = 8748642.

The previous prime is 8748601. The next prime is 8748647. The reversal of 8748643 is 3468478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8748643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8748596 and 8748605.

It is not a weakly prime, because it can be changed into another prime (8748647) 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, 4374321 + 4374322.

It is an arithmetic number, because the mean of its divisors is an integer number (4374322).

Almost surely, 2^8748643 is an apocalyptic number.

8748643 is a deficient number, since it is larger than the sum of its proper divisors (1).

8748643 is an equidigital number, since it uses as much as digits as its factorization.

8748643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 8748643 is about 2957.8105077912. The cubic root of 8748643 is about 206.0536118985.

The spelling of 8748643 in words is "eight million, seven hundred forty-eight thousand, six hundred forty-three".