8345663 has 2 divisors, whose sum is σ = 8345664. Its totient is φ = 8345662.

The previous prime is 8345651. The next prime is 8345669. The reversal of 8345663 is 3665438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8345663 - 2⁶ = 8345599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8345669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172831 + 4172832.

It is an arithmetic number, because the mean of its divisors is an integer number (4172832).

Almost surely, 2^8345663 is an apocalyptic number.

8345663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8345663 is an equidigital number, since it uses as much as digits as its factorization.

8345663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 8345663 is about 2888.8861175200. The cubic root of 8345663 is about 202.8400059441.

The spelling of 8345663 in words is "eight million, three hundred forty-five thousand, six hundred sixty-three".