999116 has 6 divisors (see below), whose sum is σ = 1748460. Its totient is φ = 499556.

The previous prime is 999101. The next prime is 999133. The reversal of 999116 is 611999.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999116.

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 as a sum of consecutive naturals, namely, 124886 + ... + 124893.

It is an arithmetic number, because the mean of its divisors is an integer number (291410).

2⁹⁹⁹¹¹⁶ is an apocalyptic number.

It is an amenable number.

999116 is a deficient number, since it is larger than the sum of its proper divisors (749344).

999116 is a wasteful number, since it uses less digits than its factorization.

999116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249783 (or 249781 counting only the distinct ones).

The product of its digits is 4374, while the sum is 35.

The square root of 999116 is about 999.5579022748. The cubic root of 999116 is about 99.9705246462.

The spelling of 999116 in words is "nine hundred ninety-nine thousand, one hundred sixteen".