89004 has 12 divisors (see below), whose sum is σ = 207704. Its totient is φ = 29664.

The previous prime is 89003. The next prime is 89009. The reversal of 89004 is 40098.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3697 + ... + 3720.

2⁸⁹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

89004 is an abundant number, since it is smaller than the sum of its proper divisors (118700).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103852).

89004 is a wasteful number, since it uses less digits than its factorization.

89004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424 (or 7422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 89004 is about 298.3353817434. The cubic root of 89004 is about 44.6481198215.

The spelling of 89004 in words is "eighty-nine thousand, four".