384406165 has 32 divisors (see below), whose sum is σ = 560649600. Its totient is φ = 249150720.

The previous prime is 384406163. The next prime is 384406177. The reversal of 384406165 is 561604483.

It is a happy number.

It is not a de Polignac number, because 384406165 - 2¹ = 384406163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384406163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11466 + ... + 30004.

It is an arithmetic number, because the mean of its divisors is an integer number (17520300).

Almost surely, 2^384406165 is an apocalyptic number.

It is an amenable number.

384406165 is a deficient number, since it is larger than the sum of its proper divisors (176243435).

384406165 is a wasteful number, since it uses less digits than its factorization.

384406165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 384406165 is about 19606.2787137182. The cubic root of 384406165 is about 727.1044144665.

The spelling of 384406165 in words is "three hundred eighty-four million, four hundred six thousand, one hundred sixty-five".