Adding to 924 its sum of digits (15), we get a palindrome (939).
Subtracting from 924 its sum of digits (15), we obtain a palindrome (909).
It is a O'Halloran number.
It is a plaindrome in base 9 and base 16.
It is a nialpdrome in base 11 and base 12.
It is a zygodrome in base 2.
It is a congruent number.
2924 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 924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
924 is a wasteful number, since it uses less digits than its factorization.
924 is an evil number, because the sum of its binary digits is even.
The square root of 924 is about 30.3973683071. The cubic root of 924 is about 9.7399633734.
The spelling of 924 in words is "nine hundred twenty-four", and thus it is an aban number.