9923650 has 24 divisors (see below), whose sum is σ = 20137104. Its totient is φ = 3608400.

The previous prime is 9923647. The next prime is 9923671. The reversal of 9923650 is 563299.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 8472 + ... + 9571.

It is an arithmetic number, because the mean of its divisors is an integer number (839046).

Almost surely, 2^9923650 is an apocalyptic number.

9923650 is an abundant number, since it is smaller than the sum of its proper divisors (10213454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9923650 is a wasteful number, since it uses less digits than its factorization.

9923650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066 (or 18061 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 9923650 is about 3150.1825343938. The cubic root of 9923650 is about 214.8937639926.

The spelling of 9923650 in words is "nine million, nine hundred twenty-three thousand, six hundred fifty".