9923289 has 8 divisors (see below), whose sum is σ = 13588800. Its totient is φ = 6436656.

The previous prime is 9923279. The next prime is 9923299. The reversal of 9923289 is 9823299.

It is an interprime number because it is at equal distance from previous prime (9923279) and next prime (9923299).

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

It is not a de Polignac number, because 9923289 - 2⁴ = 9923273 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9923289.

It is not an unprimeable number, because it can be changed into a prime (9923209) 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, 44589 + ... + 44810.

It is an arithmetic number, because the mean of its divisors is an integer number (1698600).

Almost surely, 2^9923289 is an apocalyptic number.

It is an amenable number.

9923289 is a deficient number, since it is larger than the sum of its proper divisors (3665511).

9923289 is a wasteful number, since it uses less digits than its factorization.

9923289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89439.

The product of its digits is 69984, while the sum is 42.

The square root of 9923289 is about 3150.1252356057. The cubic root of 9923289 is about 214.8911581775.

The spelling of 9923289 in words is "nine million, nine hundred twenty-three thousand, two hundred eighty-nine".