386047393 has 4 divisors (see below), whose sum is σ = 386885268. Its totient is φ = 385209520.

The previous prime is 386047369. The next prime is 386047423. The reversal of 386047393 is 393740683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279792529 + 106254864 = 16727^2 + 10308^2 .

It is a cyclic number.

It is not a de Polignac number, because 386047393 - 2²¹ = 383950241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386047303) 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 in 3 ways as a sum of consecutive naturals, for example, 418246 + ... + 419167.

It is an arithmetic number, because the mean of its divisors is an integer number (96721317).

Almost surely, 2^386047393 is an apocalyptic number.

It is an amenable number.

386047393 is a deficient number, since it is larger than the sum of its proper divisors (837875).

386047393 is an equidigital number, since it uses as much as digits as its factorization.

386047393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837874.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 386047393 is about 19648.0887874623. The cubic root of 386047393 is about 728.1377397318.

The spelling of 386047393 in words is "three hundred eighty-six million, forty-seven thousand, three hundred ninety-three".