384249565 has 16 divisors (see below), whose sum is σ = 545143680. Its totient is φ = 254399040.

The previous prime is 384249563. The next prime is 384249599. The reversal of 384249565 is 565942483.

It is not a de Polignac number, because 384249565 - 2¹ = 384249563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384249563) 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 15 ways as a sum of consecutive naturals, for example, 188271 + ... + 190300.

It is an arithmetic number, because the mean of its divisors is an integer number (34071480).

Almost surely, 2^384249565 is an apocalyptic number.

384249565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

384249565 is a deficient number, since it is larger than the sum of its proper divisors (160894115).

384249565 is a wasteful number, since it uses less digits than its factorization.

384249565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378612.

The product of its digits is 1036800, while the sum is 46.

The square root of 384249565 is about 19602.2846882704. The cubic root of 384249565 is about 727.0056647349.

The spelling of 384249565 in words is "three hundred eighty-four million, two hundred forty-nine thousand, five hundred sixty-five".