689208 has 48 divisors (see below), whose sum is σ = 1895880. Its totient is φ = 207552.

The previous prime is 689201. The next prime is 689219. The reversal of 689208 is 802986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689201) by changing a digit.

689208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14641 + ... + 14687.

2⁶⁸⁹²⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947940).

689208 is an abundant number, since it is smaller than the sum of its proper divisors (1206672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689208 is a wasteful number, since it uses less digits than its factorization.

689208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 689208 is about 830.1855214348. The cubic root of 689208 is about 88.3317368486.

The spelling of 689208 in words is "six hundred eighty-nine thousand, two hundred eight".