9999633 has 16 divisors (see below), whose sum is σ = 15397760. Its totient is φ = 5654016.

The previous prime is 9999601. The next prime is 9999637. The reversal of 9999633 is 3369999.

It is not a de Polignac number, because 9999633 - 2⁵ = 9999601 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9999637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418 + ... + 4491.

It is an arithmetic number, because the mean of its divisors is an integer number (962360).

Almost surely, 2^9999633 is an apocalyptic number.

It is an amenable number.

9999633 is a deficient number, since it is larger than the sum of its proper divisors (5398127).

9999633 is a wasteful number, since it uses less digits than its factorization.

9999633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016.

The product of its digits is 354294, while the sum is 48.

The square root of 9999633 is about 3162.2196318409. The cubic root of 9999633 is about 215.4408333792.

The spelling of 9999633 in words is "nine million, nine hundred ninety-nine thousand, six hundred thirty-three".