386144287 has 2 divisors, whose sum is σ = 386144288. Its totient is φ = 386144286.

The previous prime is 386144279. The next prime is 386144323. The reversal of 386144287 is 782441683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 386144287 - 2³ = 386144279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386144267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193072143 + 193072144.

It is an arithmetic number, because the mean of its divisors is an integer number (193072144).

Almost surely, 2^386144287 is an apocalyptic number.

386144287 is a deficient number, since it is larger than the sum of its proper divisors (1).

386144287 is an equidigital number, since it uses as much as digits as its factorization.

386144287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 43.

The square root of 386144287 is about 19650.5543687704. The cubic root of 386144287 is about 728.1986530442.

The spelling of 386144287 in words is "three hundred eighty-six million, one hundred forty-four thousand, two hundred eighty-seven".