8716289 has 2 divisors, whose sum is σ = 8716290. Its totient is φ = 8716288.

The previous prime is 8716283. The next prime is 8716373. The reversal of 8716289 is 9826178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 43264 = 2945^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 8716289 - 2¹⁶ = 8650753 is a prime.

It is not a weakly prime, because it can be changed into another prime (8716283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4358144 + 4358145.

It is an arithmetic number, because the mean of its divisors is an integer number (4358145).

It is a Proth number, since it is equal to 133 ⋅ 2¹⁶ + 1 and 133 < 2¹⁶.

Almost surely, 2^8716289 is an apocalyptic number.

It is an amenable number.

8716289 is a deficient number, since it is larger than the sum of its proper divisors (1).

8716289 is an equidigital number, since it uses as much as digits as its factorization.

8716289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 41.

The square root of 8716289 is about 2952.3361935931. The cubic root of 8716289 is about 205.7992907944.

The spelling of 8716289 in words is "eight million, seven hundred sixteen thousand, two hundred eighty-nine".