9933813 has 16 divisors (see below), whose sum is σ = 14837760. Its totient is φ = 6568128.

The previous prime is 9933811. The next prime is 9933841. The reversal of 9933813 is 3183399.

It is not a de Polignac number, because 9933813 - 2¹ = 9933811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9933811) 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, 1981 + ... + 4877.

It is an arithmetic number, because the mean of its divisors is an integer number (927360).

Almost surely, 2^9933813 is an apocalyptic number.

It is an amenable number.

9933813 is a deficient number, since it is larger than the sum of its proper divisors (4903947).

9933813 is a wasteful number, since it uses less digits than its factorization.

9933813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033 (or 3027 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 9933813 is about 3151.7952027376. The cubic root of 9933813 is about 214.9670979037.

The spelling of 9933813 in words is "nine million, nine hundred thirty-three thousand, eight hundred thirteen".