386205697 has 4 divisors (see below), whose sum is σ = 391496260. Its totient is φ = 380915136.

The previous prime is 386205683. The next prime is 386205737. The reversal of 386205697 is 796502683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796502683 = 17 ⋅46853099.

It can be written as a sum of positive squares in 2 ways, for example, as 303595776 + 82609921 = 17424^2 + 9089^2 .

It is a cyclic number.

It is not a de Polignac number, because 386205697 - 2⁷ = 386205569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386205797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645172 + ... + 2645317.

It is an arithmetic number, because the mean of its divisors is an integer number (97874065).

Almost surely, 2^386205697 is an apocalyptic number.

It is an amenable number.

386205697 is a deficient number, since it is larger than the sum of its proper divisors (5290563).

386205697 is an equidigital number, since it uses as much as digits as its factorization.

386205697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290562.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 386205697 is about 19652.1168579876. The cubic root of 386205697 is about 728.2372537352.

The spelling of 386205697 in words is "three hundred eighty-six million, two hundred five thousand, six hundred ninety-seven".