386505165 has 16 divisors (see below), whose sum is σ = 628891200. Its totient is φ = 202641792.

The previous prime is 386505139. The next prime is 386505167. The reversal of 386505165 is 561505683.

It is not a de Polignac number, because 386505165 - 2²² = 382310861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386505167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217480 + ... + 219249.

It is an arithmetic number, because the mean of its divisors is an integer number (39305700).

Almost surely, 2^386505165 is an apocalyptic number.

It is an amenable number.

386505165 is a deficient number, since it is larger than the sum of its proper divisors (242386035).

386505165 is a wasteful number, since it uses less digits than its factorization.

386505165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436796.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 386505165 is about 19659.7346116371. The cubic root of 386505165 is about 728.4254327390.

The spelling of 386505165 in words is "three hundred eighty-six million, five hundred five thousand, one hundred sixty-five".