2400 is nontrivially palindromic in base 7.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
2400 is a nontrivial repdigit in base 7.
It is a plaindrome in base 7 and base 13.
It is a nialpdrome in base 7, base 15 and base 16.
It is a zygodrome in base 7.
It is a congruent number.
It is an unprimeable number.
2400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2400 is a wasteful number, since it uses less digits than its factorization.
2400 is an evil number, because the sum of its binary digits is even.
The square root of 2400 is about 48.9897948557. The cubic root of 2400 is about 13.3886590016.
Adding to 2400 its reverse (42), we get a palindrome (2442).
The spelling of 2400 in words is "two thousand, four hundred", and thus it is an iban number.