996189 has 8 divisors (see below), whose sum is σ = 1398240. Its totient is φ = 629136.

The previous prime is 996187. The next prime is 996197. The reversal of 996189 is 981699.

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

It is not a de Polignac number, because 996189 - 2¹ = 996187 is a prime.

996189 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 996189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996187) 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 7 ways as a sum of consecutive naturals, for example, 8682 + ... + 8795.

It is an arithmetic number, because the mean of its divisors is an integer number (174780).

2⁹⁹⁶¹⁸⁹ is an apocalyptic number.

It is an amenable number.

996189 is a deficient number, since it is larger than the sum of its proper divisors (402051).

996189 is a wasteful number, since it uses less digits than its factorization.

996189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17499.

The product of its digits is 34992, while the sum is 42.

The square root of 996189 is about 998.0926810672. The cubic root of 996189 is about 99.8728049495.

The spelling of 996189 in words is "nine hundred ninety-six thousand, one hundred eighty-nine".