9998633 has 2 divisors, whose sum is σ = 9998634. Its totient is φ = 9998632.

The previous prime is 9998623. The next prime is 9998641. The reversal of 9998633 is 3368999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 683929 = 3052^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 9998633 - 2⁸ = 9998377 is a prime.

It is a super-4 number, since 4×9998633⁴ (a number of 29 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (9998603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999316 + 4999317.

It is an arithmetic number, because the mean of its divisors is an integer number (4999317).

Almost surely, 2^9998633 is an apocalyptic number.

It is an amenable number.

9998633 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998633 is an equidigital number, since it uses as much as digits as its factorization.

9998633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 47.

The square root of 9998633 is about 3162.0615111032. The cubic root of 9998633 is about 215.4336515151.

The spelling of 9998633 in words is "nine million, nine hundred ninety-eight thousand, six hundred thirty-three".