9985453 has 2 divisors, whose sum is σ = 9985454. Its totient is φ = 9985452.

The previous prime is 9985447. The next prime is 9985499. The reversal of 9985453 is 3545899.

It is a happy number.

9985453 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9753129 + 232324 = 3123^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 9985453 - 2⁵ = 9985421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9985403) 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, 4992726 + 4992727.

It is an arithmetic number, because the mean of its divisors is an integer number (4992727).

Almost surely, 2^9985453 is an apocalyptic number.

It is an amenable number.

9985453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9985453 is an equidigital number, since it uses as much as digits as its factorization.

9985453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 43.

The square root of 9985453 is about 3159.9767404207. The cubic root of 9985453 is about 215.3389497673.

The spelling of 9985453 in words is "nine million, nine hundred eighty-five thousand, four hundred fifty-three".