996708961 has 2 divisors, whose sum is σ = 996708962. Its totient is φ = 996708960.

The previous prime is 996708943. The next prime is 996708983. The reversal of 996708961 is 169807699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987216400 + 9492561 = 31420^2 + 3081^2 .

It is a cyclic number.

It is not a de Polignac number, because 996708961 - 2¹⁷ = 996577889 is a prime.

It is not a weakly prime, because it can be changed into another prime (996708901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498354480 + 498354481.

It is an arithmetic number, because the mean of its divisors is an integer number (498354481).

Almost surely, 2^996708961 is an apocalyptic number.

It is an amenable number.

996708961 is a deficient number, since it is larger than the sum of its proper divisors (1).

996708961 is an equidigital number, since it uses as much as digits as its factorization.

996708961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 996708961 is about 31570.6978225062. The cubic root of 996708961 is about 998.9017813573.

The spelling of 996708961 in words is "nine hundred ninety-six million, seven hundred eight thousand, nine hundred sixty-one".