996784 has 10 divisors (see below), whose sum is σ = 1931300. Its totient is φ = 498384.

The previous prime is 996781. The next prime is 996803. The reversal of 996784 is 487699.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 996784.

It is not an unprimeable number, because it can be changed into a prime (996781) 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, 31134 + ... + 31165.

It is an arithmetic number, because the mean of its divisors is an integer number (193130).

2⁹⁹⁶⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

996784 is a deficient number, since it is larger than the sum of its proper divisors (934516).

996784 is a wasteful number, since it uses less digits than its factorization.

996784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62307 (or 62301 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 996784 is about 998.3907050849. The cubic root of 996784 is about 99.8926848758.

The spelling of 996784 in words is "nine hundred ninety-six thousand, seven hundred eighty-four".