386965693 has 2 divisors, whose sum is σ = 386965694. Its totient is φ = 386965692.

The previous prime is 386965687. The next prime is 386965697. The reversal of 386965693 is 396569683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239537529 + 147428164 = 15477^2 + 12142^2 .

It is an emirp because it is prime and its reverse (396569683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386965693 - 2⁹ = 386965181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386965697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193482846 + 193482847.

It is an arithmetic number, because the mean of its divisors is an integer number (193482847).

Almost surely, 2^386965693 is an apocalyptic number.

It is an amenable number.

386965693 is a deficient number, since it is larger than the sum of its proper divisors (1).

386965693 is an equidigital number, since it uses as much as digits as its factorization.

386965693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 55.

The square root of 386965693 is about 19671.4435921719. The cubic root of 386965693 is about 728.7146286674.

The spelling of 386965693 in words is "three hundred eighty-six million, nine hundred sixty-five thousand, six hundred ninety-three".