9990388182 has 16 divisors (see below), whose sum is σ = 20020824000. Its totient is φ = 3323454792.

The previous prime is 9990388159. The next prime is 9990388183. The reversal of 9990388182 is 2818830999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990388183) 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 7 ways as a sum of consecutive naturals, for example, 1665408 + ... + 1671395.

It is an arithmetic number, because the mean of its divisors is an integer number (1251301500).

Almost surely, 2^9990388182 is an apocalyptic number.

9990388182 is an abundant number, since it is smaller than the sum of its proper divisors (10030435818).

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

9990388182 is a wasteful number, since it uses less digits than its factorization.

9990388182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337307.

The product of its (nonzero) digits is 2239488, while the sum is 57.

The square root of 9990388182 is about 99951.9293560660. The cubic root of 9990388182 is about 2153.7442009516.

The spelling of 9990388182 in words is "nine billion, nine hundred ninety million, three hundred eighty-eight thousand, one hundred eighty-two".