999292928 has 42 divisors (see below), whose sum is σ = 2000682054. Its totient is φ = 499122176.

The previous prime is 999292927. The next prime is 999292939. The reversal of 999292928 is 829292999.

It can be written as a sum of positive squares in only one way, i.e., 822083584 + 177209344 = 28672^2 + 13312^2 .

It is not an unprimeable number, because it can be changed into a prime (999292927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048100 + ... + 1049052.

It is an arithmetic number, because the mean of its divisors is an integer number (47635287).

Almost surely, 2^999292928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999292928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000341027).

999292928 is an abundant number, since it is smaller than the sum of its proper divisors (1001389126).

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

999292928 is an frugal number, since it uses more digits than its factorization.

999292928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 955 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 59.

The square root of 999292928 is about 31611.5948348071. The cubic root of 999292928 is about 999.7642537614.

The spelling of 999292928 in words is "nine hundred ninety-nine million, two hundred ninety-two thousand, nine hundred twenty-eight".