996629 has 2 divisors, whose sum is σ = 996630. Its totient is φ = 996628.

The previous prime is 996617. The next prime is 996631. The reversal of 996629 is 926699.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 625 = 998^2 + 25^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996629 is a prime.

It is a Sophie Germain prime.

Together with 996631, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996629.

It is not a weakly prime, because it can be changed into another prime (996649) 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, 498314 + 498315.

It is an arithmetic number, because the mean of its divisors is an integer number (498315).

2⁹⁹⁶⁶²⁹ is an apocalyptic number.

It is an amenable number.

996629 is a deficient number, since it is larger than the sum of its proper divisors (1).

996629 is an equidigital number, since it uses as much as digits as its factorization.

996629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 996629 is about 998.3130771456. The cubic root of 996629 is about 99.8875068337.

The spelling of 996629 in words is "nine hundred ninety-six thousand, six hundred twenty-nine".