386540773 has 2 divisors, whose sum is σ = 386540774. Its totient is φ = 386540772.

The previous prime is 386540771. The next prime is 386540839. The reversal of 386540773 is 377045683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367373889 + 19166884 = 19167^2 + 4378^2 .

It is a cyclic number.

It is not a de Polignac number, because 386540773 - 2¹ = 386540771 is a prime.

Together with 386540771, 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 (386540771) 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, 193270386 + 193270387.

It is an arithmetic number, because the mean of its divisors is an integer number (193270387).

Almost surely, 2^386540773 is an apocalyptic number.

It is an amenable number.

386540773 is a deficient number, since it is larger than the sum of its proper divisors (1).

386540773 is an equidigital number, since it uses as much as digits as its factorization.

386540773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 386540773 is about 19660.6401981217. The cubic root of 386540773 is about 728.4478015443.

The spelling of 386540773 in words is "three hundred eighty-six million, five hundred forty thousand, seven hundred seventy-three".