999283 has 4 divisors (see below), whose sum is σ = 1016280. Its totient is φ = 982288.

The previous prime is 999269. The next prime is 999287. The reversal of 999283 is 382999.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 999283 - 2¹³ = 991091 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8410 + ... + 8527.

It is an arithmetic number, because the mean of its divisors is an integer number (254070).

2⁹⁹⁹²⁸³ is an apocalyptic number.

999283 is a deficient number, since it is larger than the sum of its proper divisors (16997).

999283 is a wasteful number, since it uses less digits than its factorization.

999283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16996.

The product of its digits is 34992, while the sum is 40.

The square root of 999283 is about 999.6414357158. The cubic root of 999283 is about 99.9760942856.

The spelling of 999283 in words is "nine hundred ninety-nine thousand, two hundred eighty-three".