386505673 has 2 divisors, whose sum is σ = 386505674. Its totient is φ = 386505672.

The previous prime is 386505671. The next prime is 386505709. The reversal of 386505673 is 376505683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382710969 + 3794704 = 19563^2 + 1948^2 .

It is an emirp because it is prime and its reverse (376505683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386505673 - 2¹ = 386505671 is a prime.

It is a super-2 number, since 2×386505673² = 298773270522365858, which contains 22 as substring.

Together with 386505671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (386505671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193252836 + 193252837.

It is an arithmetic number, because the mean of its divisors is an integer number (193252837).

Almost surely, 2^386505673 is an apocalyptic number.

It is an amenable number.

386505673 is a deficient number, since it is larger than the sum of its proper divisors (1).

386505673 is an equidigital number, since it uses as much as digits as its factorization.

386505673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 386505673 is about 19659.7475314410. The cubic root of 386505673 is about 728.4257518723.

The spelling of 386505673 in words is "three hundred eighty-six million, five hundred five thousand, six hundred seventy-three".