8398903 has 2 divisors, whose sum is σ = 8398904. Its totient is φ = 8398902.

The previous prime is 8398883. The next prime is 8398909. The reversal of 8398903 is 3098938.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8398903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8398909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199451 + 4199452.

It is an arithmetic number, because the mean of its divisors is an integer number (4199452).

Almost surely, 2^8398903 is an apocalyptic number.

8398903 is a deficient number, since it is larger than the sum of its proper divisors (1).

8398903 is an equidigital number, since it uses as much as digits as its factorization.

8398903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 8398903 is about 2898.0860925790. The cubic root of 8398903 is about 203.2704218761.

The spelling of 8398903 in words is "eight million, three hundred ninety-eight thousand, nine hundred three".