27438 is a member of OEIS A014363: aliquot sequence starting at 966 (one of the Lehmer five). The sequence runs:

966, 1338, 1350, 2370, 3390, 4818, 5838, 7602, 9870, 17778, 17790, 24978, 27438, 30882, 30894, 34386, 40782, ...

See link factordb.com, Aliquot sequence of 966.

27438 is a Curzon, abundant, pseudoperfect and Zumkeller number.

27438 can be rendered as a digit equation as follows:

2 + 7 = 4 - 3 + 8

27438 stabilises after about 70 generations of Conway's Game of Life to a single blinker and a single glider.