996779 has 8 divisors (see below), whose sum is σ = 1148928. Its totient is φ = 847080.

The previous prime is 996763. The next prime is 996781. The reversal of 996779 is 977699.

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

It is a cyclic number.

It is not a de Polignac number, because 996779 - 2⁴ = 996763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996739) 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, 374 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (143616).

2⁹⁹⁶⁷⁷⁹ is an apocalyptic number.

996779 is a deficient number, since it is larger than the sum of its proper divisors (152149).

996779 is a wasteful number, since it uses less digits than its factorization.

996779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225.

The product of its digits is 214326, while the sum is 47.

The square root of 996779 is about 998.3882010521. The cubic root of 996779 is about 99.8925178506.

The spelling of 996779 in words is "nine hundred ninety-six thousand, seven hundred seventy-nine".