384529 has 4 divisors (see below), whose sum is σ = 385776. Its totient is φ = 383284.

The previous prime is 384509. The next prime is 384533. The reversal of 384529 is 925483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 925483 = 13 ⋅71191.

It is a cyclic number.

It is not a de Polignac number, because 384529 - 2⁵ = 384497 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384529.

It is not an unprimeable number, because it can be changed into a prime (384509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222 + ... + 904.

It is an arithmetic number, because the mean of its divisors is an integer number (96444).

2³⁸⁴⁵²⁹ is an apocalyptic number.

It is an amenable number.

384529 is a deficient number, since it is larger than the sum of its proper divisors (1247).

384529 is an equidigital number, since it uses as much as digits as its factorization.

384529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its digits is 8640, while the sum is 31.

The square root of 384529 is about 620.1040235315. The cubic root of 384529 is about 72.7181853703.

The spelling of 384529 in words is "three hundred eighty-four thousand, five hundred twenty-nine".