9928547 has 2 divisors, whose sum is σ = 9928548. Its totient is φ = 9928546.

The previous prime is 9928537. The next prime is 9928553. The reversal of 9928547 is 7458299.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7458299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9928547 - 2⁸ = 9928291 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9928498 and 9928507.

It is not a weakly prime, because it can be changed into another prime (9928537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964273 + 4964274.

It is an arithmetic number, because the mean of its divisors is an integer number (4964274).

Almost surely, 2^9928547 is an apocalyptic number.

9928547 is a deficient number, since it is larger than the sum of its proper divisors (1).

9928547 is an equidigital number, since it uses as much as digits as its factorization.

9928547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 9928547 is about 3150.9596950770. The cubic root of 9928547 is about 214.9291058850.

The spelling of 9928547 in words is "nine million, nine hundred twenty-eight thousand, five hundred forty-seven".