8469997 has 2 divisors, whose sum is σ = 8469998. Its totient is φ = 8469996.

The previous prime is 8469977. The next prime is 8470031. The reversal of 8469997 is 7999648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7584516 + 885481 = 2754^2 + 941^2 .

It is a cyclic number.

It is not a de Polignac number, because 8469997 - 2⁷ = 8469869 is a prime.

8469997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8469977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4234998 + 4234999.

It is an arithmetic number, because the mean of its divisors is an integer number (4234999).

Almost surely, 2^8469997 is an apocalyptic number.

It is an amenable number.

8469997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8469997 is an equidigital number, since it uses as much as digits as its factorization.

8469997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 8469997 is about 2910.3259267649. The cubic root of 8469997 is about 203.8423506479.

The spelling of 8469997 in words is "eight million, four hundred sixty-nine thousand, nine hundred ninety-seven".