8987169 has 16 divisors (see below), whose sum is σ = 12750912. Its totient is φ = 5611008.

The previous prime is 8987161. The next prime is 8987183. The reversal of 8987169 is 9617898.

It is a happy number.

8987169 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8987169 - 2³ = 8987161 is a prime.

It is a super-2 number, since 2×8987169² = 161538413269122, which contains 22 as substring.

Its product of digits (217728) is a multiple of the sum of its prime divisors (896).

It is not an unprimeable number, because it can be changed into a prime (8987161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15682 + ... + 16244.

It is an arithmetic number, because the mean of its divisors is an integer number (796932).

Almost surely, 2^8987169 is an apocalyptic number.

It is an amenable number.

8987169 is a deficient number, since it is larger than the sum of its proper divisors (3763743).

8987169 is a wasteful number, since it uses less digits than its factorization.

8987169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its digits is 217728, while the sum is 48.

The square root of 8987169 is about 2997.8607372592. The cubic root of 8987169 is about 207.9094850865.

The spelling of 8987169 in words is "eight million, nine hundred eighty-seven thousand, one hundred sixty-nine".