989328 has 20 divisors (see below), whose sum is σ = 2555888. Its totient is φ = 329760.

The previous prime is 989327. The next prime is 989341. The reversal of 989328 is 823989.

It is not an unprimeable number, because it can be changed into a prime (989321) 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, 10258 + ... + 10353.

2⁹⁸⁹³²⁸ is an apocalyptic number.

It is an amenable number.

989328 is an abundant number, since it is smaller than the sum of its proper divisors (1566560).

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

989328 is a wasteful number, since it uses less digits than its factorization.

989328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20622 (or 20616 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 989328 is about 994.6496870758. The cubic root of 989328 is about 99.6429936480.

The spelling of 989328 in words is "nine hundred eighty-nine thousand, three hundred twenty-eight".