999997132 has 48 divisors (see below), whose sum is σ = 1907942400. Its totient is φ = 456857280.

The previous prime is 999997099. The next prime is 999997133. The reversal of 999997132 is 231799999.

It is not an unprimeable number, because it can be changed into a prime (999997133) 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, 986658 + ... + 987670.

It is an arithmetic number, because the mean of its divisors is an integer number (39748800).

Almost surely, 2^999997132 is an apocalyptic number.

It is an amenable number.

999997132 is a deficient number, since it is larger than the sum of its proper divisors (907945268).

999997132 is a wasteful number, since it uses less digits than its factorization.

999997132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1484 counting only the distinct ones).

The product of its digits is 2480058, while the sum is 58.

The square root of 999997132 is about 31622.7312545896. The cubic root of 999997132 is about 999.9990439991. Note that the first 3 decimals are identical.

The spelling of 999997132 in words is "nine hundred ninety-nine million, nine hundred ninety-seven thousand, one hundred thirty-two".