996518 has 4 divisors (see below), whose sum is σ = 1494780. Its totient is φ = 498258.

The previous prime is 996511. The next prime is 996529. The reversal of 996518 is 815699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 815699 = 307 ⋅2657.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996518.

It is not an unprimeable number, because it can be changed into a prime (996511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249128 + ... + 249131.

It is an arithmetic number, because the mean of its divisors is an integer number (373695).

2⁹⁹⁶⁵¹⁸ is an apocalyptic number.

996518 is a deficient number, since it is larger than the sum of its proper divisors (498262).

996518 is a wasteful number, since it uses less digits than its factorization.

996518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498261.

The product of its digits is 19440, while the sum is 38.

The square root of 996518 is about 998.2574818152. The cubic root of 996518 is about 99.8837983574.

The spelling of 996518 in words is "nine hundred ninety-six thousand, five hundred eighteen".