996859 has 2 divisors, whose sum is σ = 996860. Its totient is φ = 996858.

The previous prime is 996857. The next prime is 996871. The reversal of 996859 is 958699.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 996859 - 2¹ = 996857 is a prime.

It is a super-3 number, since 3×996859³ = 2971819699962803337, which contains 333 as substring.

Together with 996857, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (996857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498429 + 498430.

It is an arithmetic number, because the mean of its divisors is an integer number (498430).

2⁹⁹⁶⁸⁵⁹ is an apocalyptic number.

996859 is a deficient number, since it is larger than the sum of its proper divisors (1).

996859 is an equidigital number, since it uses as much as digits as its factorization.

996859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 46.

The square root of 996859 is about 998.4282648243. The cubic root of 996859 is about 99.8951901874.

The spelling of 996859 in words is "nine hundred ninety-six thousand, eight hundred fifty-nine".