996823 has 8 divisors (see below), whose sum is σ = 1032192. Its totient is φ = 962136.

The previous prime is 996811. The next prime is 996841. The reversal of 996823 is 328699.

996823 = 122² + 123² + ... + 168².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 996823 - 2⁹ = 996311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5886 + ... + 6052.

It is an arithmetic number, because the mean of its divisors is an integer number (129024).

2⁹⁹⁶⁸²³ is an apocalyptic number.

996823 is a deficient number, since it is larger than the sum of its proper divisors (35369).

996823 is a wasteful number, since it uses less digits than its factorization.

996823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 23328, while the sum is 37.

The square root of 996823 is about 998.4102363257. The cubic root of 996823 is about 99.8939876535.

The spelling of 996823 in words is "nine hundred ninety-six thousand, eight hundred twenty-three".