384825 has 24 divisors (see below), whose sum is σ = 728128. Its totient is φ = 175680.

The previous prime is 384821. The next prime is 384827. The reversal of 384825 is 528483.

It is not a de Polignac number, because 384825 - 2² = 384821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 384792 and 384801.

It is not an unprimeable number, because it can be changed into a prime (384821) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 159 + ... + 891.

2³⁸⁴⁸²⁵ is an apocalyptic number.

384825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

384825 is a deficient number, since it is larger than the sum of its proper divisors (343303).

384825 is a wasteful number, since it uses less digits than its factorization.

384825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 748 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 384825 is about 620.3426472523. The cubic root of 384825 is about 72.7368394139.

The spelling of 384825 in words is "three hundred eighty-four thousand, eight hundred twenty-five".