9887573 has 2 divisors, whose sum is σ = 9887574. Its totient is φ = 9887572.

The previous prime is 9887509. The next prime is 9887587. The reversal of 9887573 is 3757889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9721924 + 165649 = 3118^2 + 407^2 .

It is a cyclic number.

It is not a de Polignac number, because 9887573 - 2⁶ = 9887509 is a prime.

It is a d-powerful number, because it can be written as 9 + 8² + 8⁴ + 7² + 5¹⁰ + 7⁶ + 3⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9887503) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4943786 + 4943787.

It is an arithmetic number, because the mean of its divisors is an integer number (4943787).

Almost surely, 2^9887573 is an apocalyptic number.

It is an amenable number.

9887573 is a deficient number, since it is larger than the sum of its proper divisors (1).

9887573 is an equidigital number, since it uses as much as digits as its factorization.

9887573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 9887573 is about 3144.4511444766. The cubic root of 9887573 is about 214.6330354555.

The spelling of 9887573 in words is "nine million, eight hundred eighty-seven thousand, five hundred seventy-three".