999999332 has 6 divisors (see below), whose sum is σ = 1749998838. Its totient is φ = 499999664.

The previous prime is 999999323. The next prime is 999999337. The reversal of 999999332 is 233999999.

It can be written as a sum of positive squares in only one way, i.e., 847624996 + 152374336 = 29114^2 + 12344^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (999999337) 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 as a sum of consecutive naturals, namely, 124999913 + ... + 124999920.

It is an arithmetic number, because the mean of its divisors is an integer number (291666473).

Almost surely, 2^999999332 is an apocalyptic number.

It is an amenable number.

999999332 is a deficient number, since it is larger than the sum of its proper divisors (749999506).

999999332 is a wasteful number, since it uses less digits than its factorization.

999999332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249999837 (or 249999835 counting only the distinct ones).

The product of its digits is 9565938, while the sum is 62.

The square root of 999999332 is about 31622.7660396746. The cubic root of 999999332 is about 999.9997773333. Note that the first 3 decimals are identical.

The spelling of 999999332 in words is "nine hundred ninety-nine million, nine hundred ninety-nine thousand, three hundred thirty-two".