999728382 has 32 divisors (see below), whose sum is σ = 2058106752. Its totient is φ = 323508384.

The previous prime is 999728381. The next prime is 999728413. The reversal of 999728382 is 283827999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999728381) 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 15 ways as a sum of consecutive naturals, for example, 98853 + ... + 108495.

It is an arithmetic number, because the mean of its divisors is an integer number (64315836).

Almost surely, 2^999728382 is an apocalyptic number.

999728382 is an abundant number, since it is smaller than the sum of its proper divisors (1058378370).

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

999728382 is a wasteful number, since it uses less digits than its factorization.

999728382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10152.

The product of its digits is 3919104, while the sum is 57.

The square root of 999728382 is about 31618.4816523501. The cubic root of 999728382 is about 999.9094524681.

The spelling of 999728382 in words is "nine hundred ninety-nine million, seven hundred twenty-eight thousand, three hundred eighty-two".