989004 has 24 divisors (see below), whose sum is σ = 2341360. Its totient is φ = 324864.

The previous prime is 988979. The next prime is 989011. The reversal of 989004 is 400989.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312 + ... + 1440.

2⁹⁸⁹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

989004 is an abundant number, since it is smaller than the sum of its proper divisors (1352356).

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

989004 is a wasteful number, since it uses less digits than its factorization.

989004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 989004 is about 994.4868023257. The cubic root of 989004 is about 99.6321149321.

The spelling of 989004 in words is "nine hundred eighty-nine thousand, four".