989883 has 6 divisors (see below), whose sum is σ = 1429844. Its totient is φ = 659916.

The previous prime is 989873. The next prime is 989887. The reversal of 989883 is 388989.

It is not a de Polignac number, because 989883 - 2¹⁰ = 988859 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989883.

It is not an unprimeable number, because it can be changed into a prime (989887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54985 + ... + 55002.

2⁹⁸⁹⁸⁸³ is an apocalyptic number.

989883 is a deficient number, since it is larger than the sum of its proper divisors (439961).

989883 is a wasteful number, since it uses less digits than its factorization.

989883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109993 (or 109990 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 989883 is about 994.9286406572. The cubic root of 989883 is about 99.6616229680.

The spelling of 989883 in words is "nine hundred eighty-nine thousand, eight hundred eighty-three".