9998603 has 2 divisors, whose sum is σ = 9998604. Its totient is φ = 9998602.

The previous prime is 9998587. The next prime is 9998623. The reversal of 9998603 is 3068999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9998603 - 2⁴ = 9998587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9998623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999301 + 4999302.

It is an arithmetic number, because the mean of its divisors is an integer number (4999302).

Almost surely, 2^9998603 is an apocalyptic number.

9998603 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998603 is an equidigital number, since it uses as much as digits as its factorization.

9998603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9998603 is about 3162.0567673589. The cubic root of 9998603 is about 215.4334360518.

It can be divided in two parts, 9998 and 603, that added together give a palindrome (10601).

The spelling of 9998603 in words is "nine million, nine hundred ninety-eight thousand, six hundred three".