989558339 has 16 divisors (see below), whose sum is σ = 1234936320. Its totient is φ = 770333760.

The previous prime is 989558267. The next prime is 989558341. The reversal of 989558339 is 933855989.

It is a de Polignac number, because none of the positive numbers 2^k-989558339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989558239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81242 + ... + 92624.

It is an arithmetic number, because the mean of its divisors is an integer number (77183520).

Almost surely, 2^989558339 is an apocalyptic number.

989558339 is a deficient number, since it is larger than the sum of its proper divisors (245377981).

989558339 is a wasteful number, since it uses less digits than its factorization.

989558339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12530.

The product of its digits is 10497600, while the sum is 59.

The square root of 989558339 is about 31457.2462081473. The cubic root of 989558339 is about 996.5072613127.

The spelling of 989558339 in words is "nine hundred eighty-nine million, five hundred fifty-eight thousand, three hundred thirty-nine".