9933331 has 4 divisors (see below), whose sum is σ = 9983952. Its totient is φ = 9882712.

The previous prime is 9933323. The next prime is 9933349. The reversal of 9933331 is 1333399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1333399 = 61 ⋅21859.

It is a cyclic number.

It is not a de Polignac number, because 9933331 - 2³ = 9933323 is a prime.

It is a super-2 number, since 2×9933331² = 197342129511122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9933293 and 9933302.

It is not an unprimeable number, because it can be changed into a prime (9933311) 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, 25015 + ... + 25408.

It is an arithmetic number, because the mean of its divisors is an integer number (2495988).

Almost surely, 2^9933331 is an apocalyptic number.

9933331 is a deficient number, since it is larger than the sum of its proper divisors (50621).

9933331 is a wasteful number, since it uses less digits than its factorization.

9933331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50620.

The product of its digits is 6561, while the sum is 31.

The square root of 9933331 is about 3151.7187374510. The cubic root of 9933331 is about 214.9636210307.

It can be divided in two parts, 9933 and 331, that multiplied together give a palindrome (3287823).

The spelling of 9933331 in words is "nine million, nine hundred thirty-three thousand, three hundred thirty-one".