989898524 has 12 divisors (see below), whose sum is σ = 1732627848. Its totient is φ = 494862000.

The previous prime is 989898517. The next prime is 989898527. The reversal of 989898524 is 425898989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989898527) 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 3 ways as a sum of consecutive naturals, for example, 8339 + ... + 45269.

It is an arithmetic number, because the mean of its divisors is an integer number (144385654).

Almost surely, 2^989898524 is an apocalyptic number.

It is an amenable number.

989898524 is a deficient number, since it is larger than the sum of its proper divisors (742729324).

989898524 is a wasteful number, since it uses less digits than its factorization.

989898524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43636 (or 43634 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 62.

The square root of 989898524 is about 31462.6528442851. The cubic root of 989898524 is about 996.6214395175.

The spelling of 989898524 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, five hundred twenty-four".