Adding to 279936 its sum of digits (36), we get a palindrome (279972).
Multipling 279936 by its sum of digits (36), we get a 9-th power (10077696 = 69).
279936 divided by its sum of digits (36) gives a 5-th power (7776 = 65).
It is a Jordan-Polya number, since it can be written as (3!)7.
It is a tau number, because it is divible by the number of its divisors (64).
It is an ABA number since it can be written as A⋅BA, here for A=6, B=6.
It is a nialpdrome in base 6.
It is a self number, because there is not a number n which added to its sum of digits gives 279936.
It is a congruent number.
It is an unprimeable number.
279936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
279936 is a Friedman number, since it can be written as (9/9-(3+2)/6)^(-7), using all its digits and the basic arithmetic operations.
2279936 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 279936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
279936 is an frugal number, since it uses more digits than its factorization.
279936 is an odious number, because the sum of its binary digits is odd.
The square root of 279936 is about 529.0897844412. The cubic root of 279936 is about 65.4163413420.
The spelling of 279936 in words is "two hundred seventy-nine thousand, nine hundred thirty-six".