9928453 has 2 divisors, whose sum is σ = 9928454. Its totient is φ = 9928452.

The previous prime is 9928441. The next prime is 9928487. The reversal of 9928453 is 3548299.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7717284 + 2211169 = 2778^2 + 1487^2 .

It is an emirp because it is prime and its reverse (3548299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9928453 - 2⁹ = 9927941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9928403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4964226 + 4964227.

It is an arithmetic number, because the mean of its divisors is an integer number (4964227).

Almost surely, 2^9928453 is an apocalyptic number.

It is an amenable number.

9928453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9928453 is an equidigital number, since it uses as much as digits as its factorization.

9928453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 9928453 is about 3150.9447789512. The cubic root of 9928453 is about 214.9284275917.

The spelling of 9928453 in words is "nine million, nine hundred twenty-eight thousand, four hundred fifty-three".