383205 has 16 divisors (see below), whose sum is σ = 624960. Its totient is φ = 200448.

The previous prime is 383179. The next prime is 383219. The reversal of 383205 is 502383.

It is not a de Polignac number, because 383205 - 2⁷ = 383077 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 669 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2³⁸³²⁰⁵ is an apocalyptic number.

It is an amenable number.

383205 is a deficient number, since it is larger than the sum of its proper divisors (241755).

383205 is a wasteful number, since it uses less digits than its factorization.

383205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 383205 is about 619.0355401752. The cubic root of 383205 is about 72.6346289580.

Adding to 383205 its reverse (502383), we get a palindrome (885588).

The spelling of 383205 in words is "three hundred eighty-three thousand, two hundred five".