9940233 has 4 divisors (see below), whose sum is σ = 13253648. Its totient is φ = 6626820.

The previous prime is 9940219. The next prime is 9940241. The reversal of 9940233 is 3320499.

9940233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 9940233 - 2¹⁷ = 9809161 is a prime.

It is a Duffinian number.

9940233 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9940233.

It is not an unprimeable number, because it can be changed into a prime (9940283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656703 + ... + 1656708.

It is an arithmetic number, because the mean of its divisors is an integer number (3313412).

Almost surely, 2^9940233 is an apocalyptic number.

It is an amenable number.

9940233 is a deficient number, since it is larger than the sum of its proper divisors (3313415).

9940233 is a wasteful number, since it uses less digits than its factorization.

9940233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313414.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 9940233 is about 3152.8135054265. The cubic root of 9940233 is about 215.0133973984.

The spelling of 9940233 in words is "nine million, nine hundred forty thousand, two hundred thirty-three".