8690069 has 2 divisors, whose sum is σ = 8690070. Its totient is φ = 8690068.

The previous prime is 8690063. The next prime is 8690089. The reversal of 8690069 is 9600968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 2289169 = 2530^2 + 1513^2 .

It is a cyclic number.

It is not a de Polignac number, because 8690069 - 2²⁰ = 7641493 is a prime.

It is a super-2 number, since 2×8690069² = 151034598449522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8690063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4345034 + 4345035.

It is an arithmetic number, because the mean of its divisors is an integer number (4345035).

Almost surely, 2^8690069 is an apocalyptic number.

It is an amenable number.

8690069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8690069 is an equidigital number, since it uses as much as digits as its factorization.

8690069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 8690069 is about 2947.8922978969. The cubic root of 8690069 is about 205.5927243990.

The spelling of 8690069 in words is "eight million, six hundred ninety thousand, sixty-nine".