689006 has 8 divisors (see below), whose sum is σ = 1066944. Its totient is φ = 333360.

The previous prime is 688999. The next prime is 689021. The reversal of 689006 is 600986.

689006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 689006.

It is a congruent number.

It is an unprimeable number.

689006 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 in 3 ways as a sum of consecutive naturals, for example, 5495 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (133368).

2⁶⁸⁹⁰⁰⁶ is an apocalyptic number.

689006 is a deficient number, since it is larger than the sum of its proper divisors (377938).

689006 is a wasteful number, since it uses less digits than its factorization.

689006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 689006 is about 830.0638529655. The cubic root of 689006 is about 88.3231062880.

The spelling of 689006 in words is "six hundred eighty-nine thousand, six".