9004 has 6 divisors (see below), whose sum is σ = 15764. Its totient is φ = 4500.

The previous prime is 9001. The next prime is 9007. The reversal of 9004 is 4009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9001) and next prime (9007).

It is not an unprimeable number, because it can be changed into a prime (9001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122 + ... + 1129.

It is an amenable number.

9004 is a deficient number, since it is larger than the sum of its proper divisors (6760).

9004 is a wasteful number, since it uses less digits than its factorization.

9004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 9004 is about 94.8894093142. The cubic root of 9004 is about 20.8039193798.

It can be divided in two parts, 900 and 4, that multiplied together give a square (3600 = 60²).

The spelling of 9004 in words is "nine thousand, four".