9923091 has 8 divisors (see below), whose sum is σ = 13246464. Its totient is φ = 6607560.

The previous prime is 9923083. The next prime is 9923101. The reversal of 9923091 is 1903299.

9923091 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 9923091 - 2³ = 9923083 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (9923021) 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, 2350 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (1655808).

Almost surely, 2^9923091 is an apocalyptic number.

9923091 is a deficient number, since it is larger than the sum of its proper divisors (3323373).

9923091 is a wasteful number, since it uses less digits than its factorization.

9923091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9923091 is about 3150.0938081270. The cubic root of 9923091 is about 214.8897289225.

The spelling of 9923091 in words is "nine million, nine hundred twenty-three thousand, ninety-one".