384528 has 20 divisors (see below), whose sum is σ = 993488. Its totient is φ = 128160.

The previous prime is 384509. The next prime is 384533. The reversal of 384528 is 825483.

It is a d-powerful number, because it can be written as 3⁹ + 8⁴ + 5⁷ + 4⁷ + 2¹⁸ + 8⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 384495 and 384504.

It is an unprimeable number.

384528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3958 + ... + 4053.

2³⁸⁴⁵²⁸ is an apocalyptic number.

It is an amenable number.

384528 is an abundant number, since it is smaller than the sum of its proper divisors (608960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384528 is a wasteful number, since it uses less digits than its factorization.

384528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8022 (or 8016 counting only the distinct ones).

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

The square root of 384528 is about 620.1032172147. The cubic root of 384528 is about 72.7181223336.

The spelling of 384528 in words is "three hundred eighty-four thousand, five hundred twenty-eight".