8989687 has 8 divisors (see below), whose sum is σ = 10484000. Its totient is φ = 7705152.

The previous prime is 8989667. The next prime is 8989691. The reversal of 8989687 is 7869898.

It is not a de Polignac number, because 8989687 - 2¹¹ = 8987639 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 (8989627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12762 + ... + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (1310500).

Almost surely, 2^8989687 is an apocalyptic number.

8989687 is a deficient number, since it is larger than the sum of its proper divisors (1494313).

8989687 is an equidigital number, since it uses as much as digits as its factorization.

8989687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26230 (or 26216 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The square root of 8989687 is about 2998.2806739863. The cubic root of 8989687 is about 207.9289004403.

It can be divided in two parts, 898 and 9687, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 8989687 in words is "eight million, nine hundred eighty-nine thousand, six hundred eighty-seven".