8938663 has 2 divisors, whose sum is σ = 8938664. Its totient is φ = 8938662.

The previous prime is 8938637. The next prime is 8938667. The reversal of 8938663 is 3668398.

8938663 is nontrivially palindromic in base 3.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8938663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8938667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469331 + 4469332.

It is an arithmetic number, because the mean of its divisors is an integer number (4469332).

Almost surely, 2^8938663 is an apocalyptic number.

8938663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8938663 is an equidigital number, since it uses as much as digits as its factorization.

8938663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 8938663 is about 2989.7596893396. The cubic root of 8938663 is about 207.5347636147.

The spelling of 8938663 in words is "eight million, nine hundred thirty-eight thousand, six hundred sixty-three".