996684 has 24 divisors (see below), whose sum is σ = 2504880. Its totient is φ = 306624.

The previous prime is 996649. The next prime is 996689. The reversal of 996684 is 486699.

It is not an unprimeable number, because it can be changed into a prime (996689) 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 in 7 ways as a sum of consecutive naturals, for example, 3039 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (104370).

2⁹⁹⁶⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

996684 is an abundant number, since it is smaller than the sum of its proper divisors (1508196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996684 is a wasteful number, since it uses less digits than its factorization.

996684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409 (or 6407 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 996684 is about 998.3406232344. The cubic root of 996684 is about 99.8893442649.

The spelling of 996684 in words is "nine hundred ninety-six thousand, six hundred eighty-four".