996919 has 16 divisors (see below), whose sum is σ = 1264896. Its totient is φ = 769560.

The previous prime is 996899. The next prime is 996953. The reversal of 996919 is 919699.

It is not a de Polignac number, because 996919 - 2⁵ = 996887 is a prime.

It is a super-2 number, since 2×996919² = 1987694985122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996979) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9264 + ... + 9370.

It is an arithmetic number, because the mean of its divisors is an integer number (79056).

2⁹⁹⁶⁹¹⁹ is an apocalyptic number.

996919 is a deficient number, since it is larger than the sum of its proper divisors (267977).

996919 is a wasteful number, since it uses less digits than its factorization.

996919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 125 counting only the distinct ones).

The product of its digits is 39366, while the sum is 43.

The square root of 996919 is about 998.4583115984. The cubic root of 996919 is about 99.8971943462.

The spelling of 996919 in words is "nine hundred ninety-six thousand, nine hundred nineteen".