989073 has 6 divisors (see below), whose sum is σ = 1428674. Its totient is φ = 659376.

The previous prime is 989071. The next prime is 989081. The reversal of 989073 is 370989.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 263169 = 852^2 + 513^2 .

It is not a de Polignac number, because 989073 - 2¹ = 989071 is a prime.

It is an Ulam number.

It is a Duffinian number.

989073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (989071) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 54940 + ... + 54957.

2⁹⁸⁹⁰⁷³ is an apocalyptic number.

It is an amenable number.

989073 is a deficient number, since it is larger than the sum of its proper divisors (439601).

989073 is a wasteful number, since it uses less digits than its factorization.

989073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109903 (or 109900 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 989073 is about 994.5214929804. The cubic root of 989073 is about 99.6344318948.

The spelling of 989073 in words is "nine hundred eighty-nine thousand, seventy-three".