8947469 has 2 divisors, whose sum is σ = 8947470. Its totient is φ = 8947468.

The previous prime is 8947459. The next prime is 8947481. The reversal of 8947469 is 9647498.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8779369 + 168100 = 2963^2 + 410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8947469 is a prime.

It is a super-2 number, since 2×8947469² = 160114403011922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8947459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4473734 + 4473735.

It is an arithmetic number, because the mean of its divisors is an integer number (4473735).

Almost surely, 2^8947469 is an apocalyptic number.

It is an amenable number.

8947469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8947469 is an equidigital number, since it uses as much as digits as its factorization.

8947469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 8947469 is about 2991.2320204224. The cubic root of 8947469 is about 207.6028927937.

The spelling of 8947469 in words is "eight million, nine hundred forty-seven thousand, four hundred sixty-nine".