384225 has 24 divisors (see below), whose sum is σ = 654720. Its totient is φ = 198720.

The previous prime is 384203. The next prime is 384227. The reversal of 384225 is 522483.

It is not a de Polignac number, because 384225 - 2⁵ = 384193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384195 and 384204.

It is not an unprimeable number, because it can be changed into a prime (384227) 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 23 ways as a sum of consecutive naturals, for example, 3471 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (27280).

2³⁸⁴²²⁵ is an apocalyptic number.

It is an amenable number.

384225 is a deficient number, since it is larger than the sum of its proper divisors (270495).

384225 is a wasteful number, since it uses less digits than its factorization.

384225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 164 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 384225 is about 619.8588549017. The cubic root of 384225 is about 72.6990171961.

The spelling of 384225 in words is "three hundred eighty-four thousand, two hundred twenty-five".