999352960 has 64 divisors (see below), whose sum is σ = 2395398600. Its totient is φ = 398684160.

The previous prime is 999352957. The next prime is 999352969. The reversal of 999352960 is 69253999.

It can be written as a sum of positive squares in 4 ways, for example, as 343583296 + 655769664 = 18536^2 + 25608^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 999352898 and 999352907.

It is not an unprimeable number, because it can be changed into a prime (999352969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267586 + ... + 271294.

Almost surely, 2^999352960 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 999352960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197699300).

999352960 is an abundant number, since it is smaller than the sum of its proper divisors (1396045640).

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

999352960 is a wasteful number, since it uses less digits than its factorization.

999352960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 52.

The square root of 999352960 is about 31612.5443455600. The cubic root of 999352960 is about 999.7842734654.

The spelling of 999352960 in words is "nine hundred ninety-nine million, three hundred fifty-two thousand, nine hundred sixty".