9988453 has 2 divisors, whose sum is σ = 9988454. Its totient is φ = 9988452.

The previous prime is 9988411. The next prime is 9988481. The reversal of 9988453 is 3548899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9345249 + 643204 = 3057^2 + 802^2 .

It is an emirp because it is prime and its reverse (3548899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9988453 - 2⁹ = 9987941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9988403) 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, 4994226 + 4994227.

It is an arithmetic number, because the mean of its divisors is an integer number (4994227).

Almost surely, 2^9988453 is an apocalyptic number.

It is an amenable number.

9988453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988453 is an equidigital number, since it uses as much as digits as its factorization.

9988453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 9988453 is about 3160.4513918110. The cubic root of 9988453 is about 215.3605128740.

The spelling of 9988453 in words is "nine million, nine hundred eighty-eight thousand, four hundred fifty-three".