999493732 has 24 divisors (see below), whose sum is σ = 1762645976. Its totient is φ = 495894528.

The previous prime is 999493721. The next prime is 999493751. The reversal of 999493732 is 237394999.

It can be written as a sum of positive squares in 4 ways, for example, as 157101156 + 842392576 = 12534^2 + 29024^2 .

It is an unprimeable number.

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, 351388 + ... + 354220.

Almost surely, 2^999493732 is an apocalyptic number.

It is an amenable number.

999493732 is a deficient number, since it is larger than the sum of its proper divisors (763152244).

999493732 is a wasteful number, since it uses less digits than its factorization.

999493732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487 (or 3485 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 55.

The square root of 999493732 is about 31614.7707883514. The cubic root of 999493732 is about 999.8312155134.

The spelling of 999493732 in words is "nine hundred ninety-nine million, four hundred ninety-three thousand, seven hundred thirty-two".