9923738 has 16 divisors (see below), whose sum is σ = 17094240. Its totient is φ = 4273200.

The previous prime is 9923731. The next prime is 9923747. The reversal of 9923738 is 8373299.

It is a junction number, because it is equal to n+sod(n) for n = 9923695 and 9923704.

It is not an unprimeable number, because it can be changed into a prime (9923731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11453 + ... + 12288.

It is an arithmetic number, because the mean of its divisors is an integer number (1068390).

Almost surely, 2^9923738 is an apocalyptic number.

9923738 is a deficient number, since it is larger than the sum of its proper divisors (7170502).

9923738 is a wasteful number, since it uses less digits than its factorization.

9923738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23773.

The product of its digits is 81648, while the sum is 41.

The square root of 9923738 is about 3150.1965018075. The cubic root of 9923738 is about 214.8943991955.

The spelling of 9923738 in words is "nine million, nine hundred twenty-three thousand, seven hundred thirty-eight".