996980629 has 2 divisors, whose sum is σ = 996980630. Its totient is φ = 996980628.

The previous prime is 996980603. The next prime is 996980639. The reversal of 996980629 is 926089699.

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., 996980625 + 4 = 31575^2 + 2^2 .

It is an emirp because it is prime and its reverse (926089699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996980629 - 2¹⁹ = 996456341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996980639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498490314 + 498490315.

It is an arithmetic number, because the mean of its divisors is an integer number (498490315).

Almost surely, 2^996980629 is an apocalyptic number.

It is an amenable number.

996980629 is a deficient number, since it is larger than the sum of its proper divisors (1).

996980629 is an equidigital number, since it uses as much as digits as its factorization.

996980629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 58.

The square root of 996980629 is about 31575.0000633413. Note that the first 4 decimals coincide. The cubic root of 996980629 is about 998.9925283417.

The spelling of 996980629 in words is "nine hundred ninety-six million, nine hundred eighty thousand, six hundred twenty-nine".