384530 has 8 divisors (see below), whose sum is σ = 692172. Its totient is φ = 153808.

The previous prime is 384509. The next prime is 384533. The reversal of 384530 is 35483.

It can be written as a sum of positive squares in 2 ways, for example, as 383161 + 1369 = 619^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 384496 and 384505.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384530.

It is not an unprimeable number, because it can be changed into a prime (384533) 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, 19217 + ... + 19236.

2³⁸⁴⁵³⁰ is an apocalyptic number.

384530 is a deficient number, since it is larger than the sum of its proper divisors (307642).

384530 is a wasteful number, since it uses less digits than its factorization.

384530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38460.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 384530 is about 620.1048298473. The cubic root of 384530 is about 72.7182484068.

The spelling of 384530 in words is "three hundred eighty-four thousand, five hundred thirty".