8688489 has 8 divisors (see below), whose sum is σ = 11636160. Its totient is φ = 5766576.

The previous prime is 8688469. The next prime is 8688497. The reversal of 8688489 is 9848868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8688489 - 2¹³ = 8680297 is a prime.

It is a super-2 number, since 2×8688489² = 150979682206242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8688409) 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, 5637 + ... + 7010.

It is an arithmetic number, because the mean of its divisors is an integer number (1454520).

Almost surely, 2^8688489 is an apocalyptic number.

It is an amenable number.

8688489 is a deficient number, since it is larger than the sum of its proper divisors (2947671).

8688489 is a wasteful number, since it uses less digits than its factorization.

8688489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12879.

The product of its digits is 884736, while the sum is 51.

The square root of 8688489 is about 2947.6242976336. The cubic root of 8688489 is about 205.5802635776.

The spelling of 8688489 in words is "eight million, six hundred eighty-eight thousand, four hundred eighty-nine".