989959512 has 16 divisors (see below), whose sum is σ = 2474898840. Its totient is φ = 329986496.

The previous prime is 989959511. The next prime is 989959561. The reversal of 989959512 is 215959989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989959511) 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, 20624133 + ... + 20624180.

Almost surely, 2^989959512 is an apocalyptic number.

It is an amenable number.

989959512 is an abundant number, since it is smaller than the sum of its proper divisors (1484939328).

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

989959512 is a wasteful number, since it uses less digits than its factorization.

989959512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41248322 (or 41248318 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 57.

The square root of 989959512 is about 31463.6220419709. The cubic root of 989959512 is about 996.6419064975.

The spelling of 989959512 in words is "nine hundred eighty-nine million, nine hundred fifty-nine thousand, five hundred twelve".