9987283 has 2 divisors, whose sum is σ = 9987284. Its totient is φ = 9987282.

The previous prime is 9987253. The next prime is 9987287. The reversal of 9987283 is 3827899.

9987283 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3827899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9987283 - 2¹³ = 9979091 is a prime.

It is not a weakly prime, because it can be changed into another prime (9987287) 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, 4993641 + 4993642.

It is an arithmetic number, because the mean of its divisors is an integer number (4993642).

Almost surely, 2^9987283 is an apocalyptic number.

9987283 is a deficient number, since it is larger than the sum of its proper divisors (1).

9987283 is an equidigital number, since it uses as much as digits as its factorization.

9987283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 9987283 is about 3160.2662862487. The cubic root of 9987283 is about 215.3521037760.

It can be divided in two parts, 998 and 7283, that added together give a square (8281 = 91²).

The spelling of 9987283 in words is "nine million, nine hundred eighty-seven thousand, two hundred eighty-three".