996855 has 8 divisors (see below), whose sum is σ = 1594992. Its totient is φ = 531648.

The previous prime is 996847. The next prime is 996857. The reversal of 996855 is 558699.

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

It is not a de Polignac number, because 996855 - 2³ = 996847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996857) 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, 33214 + ... + 33243.

It is an arithmetic number, because the mean of its divisors is an integer number (199374).

2⁹⁹⁶⁸⁵⁵ is an apocalyptic number.

996855 is a deficient number, since it is larger than the sum of its proper divisors (598137).

996855 is a wasteful number, since it uses less digits than its factorization.

996855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66465.

The product of its digits is 97200, while the sum is 42.

The square root of 996855 is about 998.4262616738. The cubic root of 996855 is about 99.8950565740.

The spelling of 996855 in words is "nine hundred ninety-six thousand, eight hundred fifty-five".