8668903 has 4 divisors (see below), whose sum is σ = 8707320. Its totient is φ = 8630488.

The previous prime is 8668901. The next prime is 8668951. The reversal of 8668903 is 3098668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8668903 - 2¹ = 8668901 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18868 + ... + 19321.

It is an arithmetic number, because the mean of its divisors is an integer number (2176830).

Almost surely, 2^8668903 is an apocalyptic number.

8668903 is a deficient number, since it is larger than the sum of its proper divisors (38417).

8668903 is a wasteful number, since it uses less digits than its factorization.

8668903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38416.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8668903 is about 2944.3000866080. The cubic root of 8668903 is about 205.4256711274.

The spelling of 8668903 in words is "eight million, six hundred sixty-eight thousand, nine hundred three".