9887423 has 16 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 7766496.

The previous prime is 9887413. The next prime is 9887431. The reversal of 9887423 is 3247889.

It is a cyclic number.

It is not a de Polignac number, because 9887423 - 2⁴ = 9887407 is a prime.

It is a super-2 number, since 2×9887423² = 195522267161858, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9887413) 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 15 ways as a sum of consecutive naturals, for example, 15986 + ... + 16592.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^9887423 is an apocalyptic number.

9887423 is a deficient number, since it is larger than the sum of its proper divisors (2369857).

9887423 is a wasteful number, since it uses less digits than its factorization.

9887423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its digits is 96768, while the sum is 41.

The square root of 9887423 is about 3144.4272928468. The cubic root of 9887423 is about 214.6319500824.

The spelling of 9887423 in words is "nine million, eight hundred eighty-seven thousand, four hundred twenty-three".