384605 has 16 divisors (see below), whose sum is σ = 510384. Its totient is φ = 276480.

The previous prime is 384599. The next prime is 384611. The reversal of 384605 is 506483.

It is an interprime number because it is at equal distance from previous prime (384599) and next prime (384611).

It can be written as a sum of positive squares in 8 ways, for example, as 120409 + 264196 = 347^2 + 514^2 .

It is not a de Polignac number, because 384605 - 2⁴ = 384589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3917 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (31899).

2³⁸⁴⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

384605 is a deficient number, since it is larger than the sum of its proper divisors (125779).

384605 is a wasteful number, since it uses less digits than its factorization.

384605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 384605 is about 620.1653005449. The cubic root of 384605 is about 72.7229758352.

It can be divided in two parts, 384 and 605, that added together give a palindrome (989).

The spelling of 384605 in words is "three hundred eighty-four thousand, six hundred five".