999929716 has 6 divisors (see below), whose sum is σ = 1749877010. Its totient is φ = 499964856.

The previous prime is 999929683. The next prime is 999929717. The reversal of 999929716 is 617929999.

It can be written as a sum of positive squares in only one way, i.e., 718025616 + 281904100 = 26796^2 + 16790^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999929717) 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 as a sum of consecutive naturals, namely, 124991211 + ... + 124991218.

Almost surely, 2^999929716 is an apocalyptic number.

It is an amenable number.

999929716 is a deficient number, since it is larger than the sum of its proper divisors (749947294).

999929716 is a wasteful number, since it uses less digits than its factorization.

999929716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249982433 (or 249982431 counting only the distinct ones).

The product of its digits is 4960116, while the sum is 61.

The square root of 999929716 is about 31621.6652945413. The cubic root of 999929716 is about 999.9765714511.

The spelling of 999929716 in words is "nine hundred ninety-nine million, nine hundred twenty-nine thousand, seven hundred sixteen".