9933021 has 12 divisors (see below), whose sum is σ = 16397472. Its totient is φ = 5675976.

The previous prime is 9933019. The next prime is 9933041. The reversal of 9933021 is 1203399.

It is not a de Polignac number, because 9933021 - 2¹ = 9933019 is a prime.

9933021 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9933041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78771 + ... + 78896.

It is an arithmetic number, because the mean of its divisors is an integer number (1366456).

Almost surely, 2^9933021 is an apocalyptic number.

It is an amenable number.

9933021 is a deficient number, since it is larger than the sum of its proper divisors (6464451).

9933021 is a wasteful number, since it uses less digits than its factorization.

9933021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157680 (or 157677 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 9933021 is about 3151.6695575520. The cubic root of 9933021 is about 214.9613848082.

The spelling of 9933021 in words is "nine million, nine hundred thirty-three thousand, twenty-one".