386971379 has 2 divisors, whose sum is σ = 386971380. Its totient is φ = 386971378.

The previous prime is 386971367. The next prime is 386971381. The reversal of 386971379 is 973179683.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 386971379 - 2⁴ = 386971363 is a prime.

Together with 386971381, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386971379.

It is not a weakly prime, because it can be changed into another prime (386971399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193485689 + 193485690.

It is an arithmetic number, because the mean of its divisors is an integer number (193485690).

Almost surely, 2^386971379 is an apocalyptic number.

386971379 is a deficient number, since it is larger than the sum of its proper divisors (1).

386971379 is an equidigital number, since it uses as much as digits as its factorization.

386971379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 53.

The square root of 386971379 is about 19671.5881158589. The cubic root of 386971379 is about 728.7181978478.

The spelling of 386971379 in words is "three hundred eighty-six million, nine hundred seventy-one thousand, three hundred seventy-nine".