996617 has 2 divisors, whose sum is σ = 996618. Its totient is φ = 996616.

The previous prime is 996601. The next prime is 996629. The reversal of 996617 is 716699.

996617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978121 + 18496 = 989^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 996617 - 2⁴ = 996601 is a prime.

It is not a weakly prime, because it can be changed into another prime (996637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498308 + 498309.

It is an arithmetic number, because the mean of its divisors is an integer number (498309).

2⁹⁹⁶⁶¹⁷ is an apocalyptic number.

It is an amenable number.

996617 is a deficient number, since it is larger than the sum of its proper divisors (1).

996617 is an equidigital number, since it uses as much as digits as its factorization.

996617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 996617 is about 998.3070669889. The cubic root of 996617 is about 99.8871059306.

The spelling of 996617 in words is "nine hundred ninety-six thousand, six hundred seventeen".