996399137 has 2 divisors, whose sum is σ = 996399138. Its totient is φ = 996399136.

The previous prime is 996399133. The next prime is 996399149. The reversal of 996399137 is 731993699.

996399137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907455376 + 88943761 = 30124^2 + 9431^2 .

996399137 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 996399137 - 2² = 996399133 is a prime.

It is a super-2 number, since 2×996399137² = 1985622480428689538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (996399133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498199568 + 498199569.

It is an arithmetic number, because the mean of its divisors is an integer number (498199569).

Almost surely, 2^996399137 is an apocalyptic number.

It is an amenable number.

996399137 is a deficient number, since it is larger than the sum of its proper divisors (1).

996399137 is an equidigital number, since it uses as much as digits as its factorization.

996399137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2480058, while the sum is 56.

The square root of 996399137 is about 31565.7906126237. The cubic root of 996399137 is about 998.7982687538.

The spelling of 996399137 in words is "nine hundred ninety-six million, three hundred ninety-nine thousand, one hundred thirty-seven".