8398640603 has 4 divisors (see below), whose sum is σ = 8499829128. Its totient is φ = 8297452080.

The previous prime is 8398640597. The next prime is 8398640609. The reversal of 8398640603 is 3060468938.

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

It is an interprime number because it is at equal distance from previous prime (8398640597) and next prime (8398640609).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8398640603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8398640609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50594138 + ... + 50594303.

It is an arithmetic number, because the mean of its divisors is an integer number (2124957282).

Almost surely, 2^8398640603 is an apocalyptic number.

8398640603 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

8398640603 is a deficient number, since it is larger than the sum of its proper divisors (101188525).

8398640603 is a wasteful number, since it uses less digits than its factorization.

8398640603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101188524.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 8398640603 is about 91644.0974804161. The cubic root of 8398640603 is about 2032.6830500822.

The spelling of 8398640603 in words is "eight billion, three hundred ninety-eight million, six hundred forty thousand, six hundred three".