689008 has 10 divisors (see below), whose sum is σ = 1334984. Its totient is φ = 344496.

The previous prime is 688999. The next prime is 689021. The reversal of 689008 is 800986.

It is a congruent number.

It is an unprimeable number.

689008 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21516 + ... + 21547.

2⁶⁸⁹⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

689008 is a deficient number, since it is larger than the sum of its proper divisors (645976).

689008 is a wasteful number, since it uses less digits than its factorization.

689008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43071 (or 43065 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 689008 is about 830.0650576913. The cubic root of 689008 is about 88.3231917474.

The spelling of 689008 in words is "six hundred eighty-nine thousand, eight".