996569 has 16 divisors (see below), whose sum is σ = 1228800. Its totient is φ = 789264.

The previous prime is 996563. The next prime is 996571. The reversal of 996569 is 965699.

It is a de Polignac number, because none of the positive numbers 2^k-996569 is a prime.

It is a super-2 number, since 2×996569² = 1986299543522, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996569.

It is not an unprimeable number, because it can be changed into a prime (996563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7784 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (76800).

2⁹⁹⁶⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

996569 is a deficient number, since it is larger than the sum of its proper divisors (232231).

996569 is a wasteful number, since it uses less digits than its factorization.

996569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its digits is 131220, while the sum is 44.

The square root of 996569 is about 998.2830260001. The cubic root of 996569 is about 99.8855022861.

The spelling of 996569 in words is "nine hundred ninety-six thousand, five hundred sixty-nine".