9887223 has 4 divisors (see below), whose sum is σ = 13182968. Its totient is φ = 6591480.

The previous prime is 9887221. The next prime is 9887299. The reversal of 9887223 is 3227889.

9887223 is nontrivially palindromic in base 11.

9887223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9887223 - 2¹ = 9887221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9887221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647868 + ... + 1647873.

It is an arithmetic number, because the mean of its divisors is an integer number (3295742).

Almost surely, 2^9887223 is an apocalyptic number.

9887223 is a deficient number, since it is larger than the sum of its proper divisors (3295745).

9887223 is a wasteful number, since it uses less digits than its factorization.

9887223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295744.

The product of its digits is 48384, while the sum is 39.

The square root of 9887223 is about 3144.3954903924. The cubic root of 9887223 is about 214.6305029012.

The spelling of 9887223 in words is "nine million, eight hundred eighty-seven thousand, two hundred twenty-three".