386066869 has 2 divisors, whose sum is σ = 386066870. Its totient is φ = 386066868.

The previous prime is 386066867. The next prime is 386066899. The reversal of 386066869 is 968660683.

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., 260402769 + 125664100 = 16137^2 + 11210^2 .

It is an emirp because it is prime and its reverse (968660683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386066869 - 2¹ = 386066867 is a prime.

It is a super-2 number, since 2×386066869² = 298095254678926322, which contains 22 as substring.

Together with 386066867, 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 (386066861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193033434 + 193033435.

It is an arithmetic number, because the mean of its divisors is an integer number (193033435).

Almost surely, 2^386066869 is an apocalyptic number.

It is an amenable number.

386066869 is a deficient number, since it is larger than the sum of its proper divisors (1).

386066869 is an equidigital number, since it uses as much as digits as its factorization.

386066869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 386066869 is about 19648.5844019359. The cubic root of 386066869 is about 728.1499843183.

The spelling of 386066869 in words is "three hundred eighty-six million, sixty-six thousand, eight hundred sixty-nine".