8718469 has 2 divisors, whose sum is σ = 8718470. Its totient is φ = 8718468.

The previous prime is 8718461. The next prime is 8718487. The reversal of 8718469 is 9648178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 664225 = 2838^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 8718469 - 2³ = 8718461 is a prime.

It is a super-2 number, since 2×8718469² = 152023403407922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8718461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4359234 + 4359235.

It is an arithmetic number, because the mean of its divisors is an integer number (4359235).

Almost surely, 2^8718469 is an apocalyptic number.

It is an amenable number.

8718469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8718469 is an equidigital number, since it uses as much as digits as its factorization.

8718469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 8718469 is about 2952.7053696568. The cubic root of 8718469 is about 205.8164466068.

The spelling of 8718469 in words is "eight million, seven hundred eighteen thousand, four hundred sixty-nine".