386078393 has 2 divisors, whose sum is σ = 386078394. Its totient is φ = 386078392.

The previous prime is 386078323. The next prime is 386078417. The reversal of 386078393 is 393870683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285035689 + 101042704 = 16883^2 + 10052^2 .

It is a cyclic number.

It is not a de Polignac number, because 386078393 - 2⁸ = 386078137 is a prime.

It is not a weakly prime, because it can be changed into another prime (386078323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193039196 + 193039197.

It is an arithmetic number, because the mean of its divisors is an integer number (193039197).

Almost surely, 2^386078393 is an apocalyptic number.

It is an amenable number.

386078393 is a deficient number, since it is larger than the sum of its proper divisors (1).

386078393 is an equidigital number, since it uses as much as digits as its factorization.

386078393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 386078393 is about 19648.8776524259. The cubic root of 386078393 is about 728.1572292782.

The spelling of 386078393 in words is "three hundred eighty-six million, seventy-eight thousand, three hundred ninety-three".