9728051 has 2 divisors, whose sum is σ = 9728052. Its totient is φ = 9728050.

The previous prime is 9728039. The next prime is 9728071. The reversal of 9728051 is 1508279.

It is a weak prime.

It is an emirp because it is prime and its reverse (1508279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9728051 - 2¹⁰ = 9727027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9727999 and 9728017.

It is not a weakly prime, because it can be changed into another prime (9728071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4864025 + 4864026.

It is an arithmetic number, because the mean of its divisors is an integer number (4864026).

Almost surely, 2^9728051 is an apocalyptic number.

9728051 is a deficient number, since it is larger than the sum of its proper divisors (1).

9728051 is an equidigital number, since it uses as much as digits as its factorization.

9728051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 9728051 is about 3118.9823660931. The cubic root of 9728051 is about 213.4725049467.

The spelling of 9728051 in words is "nine million, seven hundred twenty-eight thousand, fifty-one".