8206969 has 2 divisors, whose sum is σ = 8206970. Its totient is φ = 8206968.

The previous prime is 8206967. The next prime is 8206981. The reversal of 8206969 is 9696028.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8037225 + 169744 = 2835^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 8206969 - 2¹ = 8206967 is a prime.

It is a super-2 number, since 2×8206969² = 134708680333922, which contains 22 as substring.

Together with 8206967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8206963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4103484 + 4103485.

It is an arithmetic number, because the mean of its divisors is an integer number (4103485).

Almost surely, 2^8206969 is an apocalyptic number.

It is an amenable number.

8206969 is a deficient number, since it is larger than the sum of its proper divisors (1).

8206969 is an equidigital number, since it uses as much as digits as its factorization.

8206969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 8206969 is about 2864.7807944064. The cubic root of 8206969 is about 201.7100781560.

The spelling of 8206969 in words is "eight million, two hundred six thousand, nine hundred sixty-nine".