8608689 has 6 divisors (see below), whose sum is σ = 12434786. Its totient is φ = 5739120.

The previous prime is 8608673. The next prime is 8608727. The reversal of 8608689 is 9868068.

8608689 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8363664 + 245025 = 2892^2 + 495^2 .

It is not a de Polignac number, because 8608689 - 2⁴ = 8608673 is a prime.

It is a Duffinian number.

8608689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8608609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 478252 + ... + 478269.

Almost surely, 2^8608689 is an apocalyptic number.

It is an amenable number.

8608689 is a deficient number, since it is larger than the sum of its proper divisors (3826097).

8608689 is a wasteful number, since it uses less digits than its factorization.

8608689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956527 (or 956524 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 8608689 is about 2934.0567479175. The cubic root of 8608689 is about 204.9489383038.

The spelling of 8608689 in words is "eight million, six hundred eight thousand, six hundred eighty-nine".