999988132 has 96 divisors (see below), whose sum is σ = 2115953280. Its totient is φ = 407531520.

The previous prime is 999988117. The next prime is 999988133. The reversal of 999988132 is 231889999.

It is not an unprimeable number, because it can be changed into a prime (999988133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3717294 + ... + 3717562.

It is an arithmetic number, because the mean of its divisors is an integer number (22041180).

Almost surely, 2^999988132 is an apocalyptic number.

It is an amenable number.

999988132 is an abundant number, since it is smaller than the sum of its proper divisors (1115965148).

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

999988132 is a wasteful number, since it uses less digits than its factorization.

999988132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 459 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 58.

The square root of 999988132 is about 31622.5889515707. The cubic root of 999988132 is about 999.9960439843.

The spelling of 999988132 in words is "nine hundred ninety-nine million, nine hundred eighty-eight thousand, one hundred thirty-two".