386739073 has 4 divisors (see below), whose sum is σ = 441987520. Its totient is φ = 331490628.

The previous prime is 386739061. The next prime is 386739083. The reversal of 386739073 is 370937683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 370937683 = 373 ⋅994471.

It is a de Polignac number, because none of the positive numbers 2^k-386739073 is a prime.

It is a super-2 number, since 2×386739073² = 299134221169798658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386739083) 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, 27624213 + ... + 27624226.

It is an arithmetic number, because the mean of its divisors is an integer number (110496880).

Almost surely, 2^386739073 is an apocalyptic number.

It is an amenable number.

386739073 is a deficient number, since it is larger than the sum of its proper divisors (55248447).

386739073 is an equidigital number, since it uses as much as digits as its factorization.

386739073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55248446.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 386739073 is about 19665.6826222738. The cubic root of 386739073 is about 728.5723477021.

The spelling of 386739073 in words is "three hundred eighty-six million, seven hundred thirty-nine thousand, seventy-three".