9992923 has 8 divisors (see below), whose sum is σ = 10867392. Its totient is φ = 9150336.

The previous prime is 9992921. The next prime is 9992933. The reversal of 9992923 is 3292999.

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

It is a cyclic number.

It is not a de Polignac number, because 9992923 - 2¹ = 9992921 is a prime.

It is a Duffinian number.

9992923 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9992923.

It is not an unprimeable number, because it can be changed into a prime (9992921) 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, 7315 + ... + 8572.

It is an arithmetic number, because the mean of its divisors is an integer number (1358424).

Almost surely, 2^9992923 is an apocalyptic number.

9992923 is a deficient number, since it is larger than the sum of its proper divisors (874469).

9992923 is a wasteful number, since it uses less digits than its factorization.

9992923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15941.

The product of its digits is 78732, while the sum is 43.

The square root of 9992923 is about 3161.1584901741. The cubic root of 9992923 is about 215.3926338950.

The spelling of 9992923 in words is "nine million, nine hundred ninety-two thousand, nine hundred twenty-three".