999005416 has 8 divisors (see below), whose sum is σ = 1873135170. Its totient is φ = 499502704.

The previous prime is 999005407. The next prime is 999005417. The reversal of 999005416 is 614500999.

It can be written as a sum of positive squares in only one way, i.e., 775622500 + 223382916 = 27850^2 + 14946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (999005417) 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, 62437831 + ... + 62437846.

Almost surely, 2^999005416 is an apocalyptic number.

It is an amenable number.

999005416 is a deficient number, since it is larger than the sum of its proper divisors (874129754).

999005416 is a wasteful number, since it uses less digits than its factorization.

999005416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124875683 (or 124875679 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 999005416 is about 31607.0469357705. The cubic root of 999005416 is about 999.6683620284.

The spelling of 999005416 in words is "nine hundred ninety-nine million, five thousand, four hundred sixteen".