9923747 has 2 divisors, whose sum is σ = 9923748. Its totient is φ = 9923746.

The previous prime is 9923731. The next prime is 9923783. The reversal of 9923747 is 7473299.

It is a weak prime.

It is an emirp because it is prime and its reverse (7473299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9923747 - 2⁴ = 9923731 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9923707) 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 as a sum of consecutive naturals, namely, 4961873 + 4961874.

It is an arithmetic number, because the mean of its divisors is an integer number (4961874).

Almost surely, 2^9923747 is an apocalyptic number.

9923747 is a deficient number, since it is larger than the sum of its proper divisors (1).

9923747 is an equidigital number, since it uses as much as digits as its factorization.

9923747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 41.

The square root of 9923747 is about 3150.1979302895. The cubic root of 9923747 is about 214.8944641593.

The spelling of 9923747 in words is "nine million, nine hundred twenty-three thousand, seven hundred forty-seven".