8947369 has 2 divisors, whose sum is σ = 8947370. Its totient is φ = 8947368.

The previous prime is 8947361. The next prime is 8947417. The reversal of 8947369 is 9637498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 3952144 = 2235^2 + 1988^2 .

It is a cyclic number.

It is not a de Polignac number, because 8947369 - 2³ = 8947361 is a prime.

It is a super-2 number, since 2×8947369² = 160110824044322, which contains 22 as substring.

It is a Chen prime.

8947369 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8947361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4473684 + 4473685.

It is an arithmetic number, because the mean of its divisors is an integer number (4473685).

Almost surely, 2^8947369 is an apocalyptic number.

It is an amenable number.

8947369 is a deficient number, since it is larger than the sum of its proper divisors (1).

8947369 is an equidigital number, since it uses as much as digits as its factorization.

8947369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 8947369 is about 2991.2153048552. The cubic root of 8947369 is about 207.6021193770.

It can be divided in two parts, 8947 and 369, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 8947369 in words is "eight million, nine hundred forty-seven thousand, three hundred sixty-nine".