8398069 has 2 divisors, whose sum is σ = 8398070. Its totient is φ = 8398068.

The previous prime is 8398067. The next prime is 8398097. The reversal of 8398069 is 9608938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8191044 + 207025 = 2862^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 8398069 - 2¹ = 8398067 is a prime.

It is a super-2 number, since 2×8398069² = 141055125857522, which contains 22 as substring.

Together with 8398067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8398067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199034 + 4199035.

It is an arithmetic number, because the mean of its divisors is an integer number (4199035).

Almost surely, 2^8398069 is an apocalyptic number.

It is an amenable number.

8398069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8398069 is an equidigital number, since it uses as much as digits as its factorization.

8398069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 8398069 is about 2897.9422009419. The cubic root of 8398069 is about 203.2636934917.

The spelling of 8398069 in words is "eight million, three hundred ninety-eight thousand, sixty-nine".