989639160 has 32 divisors (see below), whose sum is σ = 2968917840. Its totient is φ = 263903744.

The previous prime is 989639159. The next prime is 989639171. The reversal of 989639160 is 61936989.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4123377 + ... + 4123616.

Almost surely, 2^989639160 is an apocalyptic number.

It is an amenable number.

989639160 is an abundant number, since it is smaller than the sum of its proper divisors (1979278680).

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

989639160 is a wasteful number, since it uses less digits than its factorization.

989639160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247007 (or 8247003 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 989639160 is about 31458.5307984972. The cubic root of 989639160 is about 996.5343900891.

The spelling of 989639160 in words is "nine hundred eighty-nine million, six hundred thirty-nine thousand, one hundred sixty".