9990933 has 4 divisors (see below), whose sum is σ = 13321248. Its totient is φ = 6660620.

The previous prime is 9990919. The next prime is 9990943. The reversal of 9990933 is 3390999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9990933 - 2⁸ = 9990677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990913) 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, 1665153 + ... + 1665158.

It is an arithmetic number, because the mean of its divisors is an integer number (3330312).

Almost surely, 2^9990933 is an apocalyptic number.

It is an amenable number.

9990933 is a deficient number, since it is larger than the sum of its proper divisors (3330315).

9990933 is a wasteful number, since it uses less digits than its factorization.

9990933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330314.

The product of its (nonzero) digits is 59049, while the sum is 42.

The square root of 9990933 is about 3160.8437164782. The cubic root of 9990933 is about 215.3783351158.

The spelling of 9990933 in words is "nine million, nine hundred ninety thousand, nine hundred thirty-three".