9923090 has 8 divisors (see below), whose sum is σ = 17861580. Its totient is φ = 3969232.

The previous prime is 9923083. The next prime is 9923101. The reversal of 9923090 is 903299.

It can be written as a sum of positive squares in 2 ways, for example, as 9916201 + 6889 = 3149^2 + 83^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496145 + ... + 496164.

Almost surely, 2^9923090 is an apocalyptic number.

9923090 is a deficient number, since it is larger than the sum of its proper divisors (7938490).

9923090 is a wasteful number, since it uses less digits than its factorization.

9923090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992316.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 9923090 is about 3150.0936494016. The cubic root of 9923090 is about 214.8897217040.

The spelling of 9923090 in words is "nine million, nine hundred twenty-three thousand, ninety".