32004 has 36 divisors (see below), whose sum is σ = 93184. Its totient is φ = 9072.

The previous prime is 32003. The next prime is 32009. The reversal of 32004 is 40023.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32003) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 189 + ... + 315.

2³²⁰⁰⁴ 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 32004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46592).

32004 is an abundant number, since it is smaller than the sum of its proper divisors (61180).

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

32004 is a wasteful number, since it uses less digits than its factorization.

32004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 32004 is about 178.8966181905. The cubic root of 32004 is about 31.7493438185.

Adding to 32004 its reverse (40023), we get a palindrome (72027).

The spelling of 32004 in words is "thirty-two thousand, four", and thus it is an eban number.