9450 has 48 divisors (see below), whose sum is σ = 29760. Its totient is φ = 2160.

The previous prime is 9439. The next prime is 9461. The reversal of 9450 is 549.

9450 = 3² + 4² + ... + 30².

9450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9439) and next prime (9461).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 9450.

It is an unprimeable number.

9450 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1347 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (620).

2⁹⁴⁵⁰ is an apocalyptic number.

9450 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14880).

9450 is an abundant number, since it is smaller than the sum of its proper divisors (20310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9450 is a wasteful number, since it uses less digits than its factorization.

9450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 9450 is about 97.2111104761. The cubic root of 9450 is about 21.1418961962.

9450 divided by its sum of digits (18) gives a palindrome (525).

Adding to 9450 its reverse (549), we get a palindrome (9999).

It can be divided in two parts, 94 and 50, that added together give a square (144 = 12²).

The spelling of 9450 in words is "nine thousand, four hundred fifty".