205385714 has 8 divisors (see below), whose sum is σ = 318702060. Its totient is φ = 99151696.

The previous prime is 205385707. The next prime is 205385717. The reversal of 205385714 is 417583502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 204919225 + 466489 = 14315^2 + 683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (205385717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770509 + ... + 1770624.

Almost surely, 2^205385714 is an apocalyptic number.

205385714 is a deficient number, since it is larger than the sum of its proper divisors (113316346).

205385714 is a wasteful number, since it uses less digits than its factorization.

205385714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541164.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 205385714 is about 14331.2844504601. The cubic root of 205385714 is about 590.0064291170.

The spelling of 205385714 in words is "two hundred five million, three hundred eighty-five thousand, seven hundred fourteen".