386938847 has 2 divisors, whose sum is σ = 386938848. Its totient is φ = 386938846.

The previous prime is 386938843. The next prime is 386938861. The reversal of 386938847 is 748839683.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (748839683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386938847 - 2² = 386938843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 386938792 and 386938801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386938843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193469423 + 193469424.

It is an arithmetic number, because the mean of its divisors is an integer number (193469424).

Almost surely, 2^386938847 is an apocalyptic number.

386938847 is a deficient number, since it is larger than the sum of its proper divisors (1).

386938847 is an equidigital number, since it uses as much as digits as its factorization.

386938847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The square root of 386938847 is about 19670.7612206544. The cubic root of 386938847 is about 728.6977765918.

The spelling of 386938847 in words is "three hundred eighty-six million, nine hundred thirty-eight thousand, eight hundred forty-seven".