9928937 has 2 divisors, whose sum is σ = 9928938. Its totient is φ = 9928936.

The previous prime is 9928927. The next prime is 9928943. The reversal of 9928937 is 7398299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7529536 + 2399401 = 2744^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 9928937 - 2⁶ = 9928873 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9928891 and 9928900.

It is not a weakly prime, because it can be changed into another prime (9928907) by changing a digit.

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 as a sum of consecutive naturals, namely, 4964468 + 4964469.

It is an arithmetic number, because the mean of its divisors is an integer number (4964469).

Almost surely, 2^9928937 is an apocalyptic number.

It is an amenable number.

9928937 is a deficient number, since it is larger than the sum of its proper divisors (1).

9928937 is an equidigital number, since it uses as much as digits as its factorization.

9928937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 47.

The square root of 9928937 is about 3151.0215803768. The cubic root of 9928937 is about 214.9319200347.

The spelling of 9928937 in words is "nine million, nine hundred twenty-eight thousand, nine hundred thirty-seven".