999268 has 12 divisors (see below), whose sum is σ = 1762992. Its totient is φ = 495560.

The previous prime is 999239. The next prime is 999269. The reversal of 999268 is 862999.

It is not an unprimeable number, because it can be changed into a prime (999269) by changing a digit.

999268 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 430 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (146916).

2⁹⁹⁹²⁶⁸ is an apocalyptic number.

It is an amenable number.

999268 is a deficient number, since it is larger than the sum of its proper divisors (763724).

999268 is a wasteful number, since it uses less digits than its factorization.

999268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2040 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 999268 is about 999.6339329975. The cubic root of 999268 is about 99.9755940440.

The spelling of 999268 in words is "nine hundred ninety-nine thousand, two hundred sixty-eight".