9729223 has 8 divisors (see below), whose sum is σ = 11378048. Its totient is φ = 8145144.

The previous prime is 9729217. The next prime is 9729227. The reversal of 9729223 is 3229279.

9729223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9729223 - 2⁵ = 9729191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9729227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15861 + ... + 16462.

It is an arithmetic number, because the mean of its divisors is an integer number (1422256).

Almost surely, 2^9729223 is an apocalyptic number.

9729223 is a deficient number, since it is larger than the sum of its proper divisors (1648825).

9729223 is a wasteful number, since it uses less digits than its factorization.

9729223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32373.

The product of its digits is 13608, while the sum is 34.

The square root of 9729223 is about 3119.1702422279. The cubic root of 9729223 is about 213.4810773979.

The spelling of 9729223 in words is "nine million, seven hundred twenty-nine thousand, two hundred twenty-three".