999989082 has 24 divisors (see below), whose sum is σ = 2188098900. Its totient is φ = 330028800.

The previous prime is 999989069. The next prime is 999989083. The reversal of 999989082 is 280989999.

It can be written as a sum of positive squares in 2 ways, for example, as 989039601 + 10949481 = 31449^2 + 3309^2 .

It is not an unprimeable number, because it can be changed into a prime (999989083) 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 11 ways as a sum of consecutive naturals, for example, 273207 + ... + 276842.

Almost surely, 2^999989082 is an apocalyptic number.

999989082 is an abundant number, since it is smaller than the sum of its proper divisors (1188109818).

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

999989082 is a wasteful number, since it uses less digits than its factorization.

999989082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550158 (or 550155 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The square root of 999989082 is about 31622.6039724751. The cubic root of 999989082 is about 999.9963606534.

The spelling of 999989082 in words is "nine hundred ninety-nine million, nine hundred eighty-nine thousand, eighty-two".