384564 has 24 divisors (see below), whose sum is σ = 911680. Its totient is φ = 126144.

The previous prime is 384547. The next prime is 384577. The reversal of 384564 is 465483.

It is a congruent number.

It is an unprimeable number.

384564 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 657 + ... + 1095.

2³⁸⁴⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

384564 is an abundant number, since it is smaller than the sum of its proper divisors (527116).

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

384564 is a wasteful number, since it uses less digits than its factorization.

384564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 384564 is about 620.1322439609. The cubic root of 384564 is about 72.7203915838.

The spelling of 384564 in words is "three hundred eighty-four thousand, five hundred sixty-four".