989179752 has 64 divisors (see below), whose sum is σ = 2701460160. Its totient is φ = 299340800.

The previous prime is 989179717. The next prime is 989179769. The reversal of 989179752 is 257971989.

It is a junction number, because it is equal to n+sod(n) for n = 989179692 and 989179701.

It is an unprimeable number.

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, 230458 + ... + 234710.

It is an arithmetic number, because the mean of its divisors is an integer number (42210315).

Almost surely, 2^989179752 is an apocalyptic number.

It is an amenable number.

989179752 is an abundant number, since it is smaller than the sum of its proper divisors (1712280408).

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

989179752 is a wasteful number, since it uses less digits than its factorization.

989179752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154 (or 5150 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 57.

The square root of 989179752 is about 31451.2281477210. The cubic root of 989179752 is about 996.3801632591.

The spelling of 989179752 in words is "nine hundred eighty-nine million, one hundred seventy-nine thousand, seven hundred fifty-two".