989072 has 20 divisors (see below), whose sum is σ = 2190336. Its totient is φ = 423840.

The previous prime is 989071. The next prime is 989081. The reversal of 989072 is 270989.

989072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (989071) 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, 4304 + ... + 4527.

2⁹⁸⁹⁰⁷² is an apocalyptic number.

It is an amenable number.

989072 is an abundant number, since it is smaller than the sum of its proper divisors (1201264).

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

989072 is a wasteful number, since it uses less digits than its factorization.

989072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846 (or 8840 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 989072 is about 994.5209902259. The cubic root of 989072 is about 99.6343983164.

The spelling of 989072 in words is "nine hundred eighty-nine thousand, seventy-two".