9204 has 24 divisors (see below), whose sum is σ = 23520. Its totient is φ = 2784.

The previous prime is 9203. The next prime is 9209. The reversal of 9204 is 4029.

It is a plaindrome in base 7 and base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 185.

It is an arithmetic number, because the mean of its divisors is an integer number (980).

2⁹²⁰⁴ 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 9204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11760).

9204 is an abundant number, since it is smaller than the sum of its proper divisors (14316).

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

9204 is a wasteful number, since it uses less digits than its factorization.

9204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 9204 is about 95.9374796417. The cubic root of 9204 is about 20.9568274047.

The spelling of 9204 in words is "nine thousand, two hundred four".