996785 has 4 divisors (see below), whose sum is σ = 1196148. Its totient is φ = 797424.

The previous prime is 996781. The next prime is 996803. The reversal of 996785 is 587699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 758641 + 238144 = 871^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 996785 - 2² = 996781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99674 + ... + 99683.

It is an arithmetic number, because the mean of its divisors is an integer number (299037).

2⁹⁹⁶⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

996785 is a deficient number, since it is larger than the sum of its proper divisors (199363).

996785 is a wasteful number, since it uses less digits than its factorization.

996785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199362.

The product of its digits is 136080, while the sum is 44.

The square root of 996785 is about 998.3912058908. The cubic root of 996785 is about 99.8927182808.

The spelling of 996785 in words is "nine hundred ninety-six thousand, seven hundred eighty-five".