8320469 has 2 divisors, whose sum is σ = 8320470. Its totient is φ = 8320468.

The previous prime is 8320453. The next prime is 8320471. The reversal of 8320469 is 9640238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5880625 + 2439844 = 2425^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 8320469 - 2⁴ = 8320453 is a prime.

It is a super-2 number, since 2×8320469² = 138460408759922, which contains 22 as substring.

Together with 8320471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8320409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4160234 + 4160235.

It is an arithmetic number, because the mean of its divisors is an integer number (4160235).

Almost surely, 2^8320469 is an apocalyptic number.

It is an amenable number.

8320469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8320469 is an equidigital number, since it uses as much as digits as its factorization.

8320469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 8320469 is about 2884.5223174730. The cubic root of 8320469 is about 202.6356881585.

The spelling of 8320469 in words is "eight million, three hundred twenty thousand, four hundred sixty-nine".