384085 has 16 divisors (see below), whose sum is σ = 524160. Its totient is φ = 267840.

The previous prime is 384079. The next prime is 384089. The reversal of 384085 is 580483.

It is not a de Polignac number, because 384085 - 2⁹ = 383573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2³⁸⁴⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

384085 is a deficient number, since it is larger than the sum of its proper divisors (140075).

384085 is a wasteful number, since it uses less digits than its factorization.

384085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 384085 is about 619.7459156784. The cubic root of 384085 is about 72.6901863472.

The spelling of 384085 in words is "three hundred eighty-four thousand, eighty-five".