27698 is a member of OEIS A036301: numbers whose sum of even digits and sum of odd digits are equal. See blog post titled Odds and Evens: Statistics. How many "captives" are captured by the "attractor" 27698? The answer is 7 and the captives are 27677,27679,27683,27690,27692,27694,27696. Permalink.

27698 is a sphenic number.

27698 is a xenodrome in base 10.

27698 can be expressed in terms of the buiding block numbers (1, 2, 4, 11, 25, 64, 171, 569, 3406, 27697) as 27697 + 1.

27698 can be rendered as a digit equation as follows:

-2 + 7 = 6 - (9 - 8)