384587 has 4 divisors (see below), whose sum is σ = 439536. Its totient is φ = 329640.

The previous prime is 384581. The next prime is 384589. The reversal of 384587 is 785483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 384587 - 2⁸ = 384331 is a prime.

It is a d-powerful number, because it can be written as 3² + 8² + 5⁴ + 4⁹ + 8⁴ + 7⁶ .

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384587.

It is not an unprimeable number, because it can be changed into a prime (384581) 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, 27464 + ... + 27477.

It is an arithmetic number, because the mean of its divisors is an integer number (109884).

2³⁸⁴⁵⁸⁷ is an apocalyptic number.

384587 is a deficient number, since it is larger than the sum of its proper divisors (54949).

384587 is an equidigital number, since it uses as much as digits as its factorization.

384587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54948.

The product of its digits is 26880, while the sum is 35.

The square root of 384587 is about 620.1507881153. The cubic root of 384587 is about 72.7218413084.

The spelling of 384587 in words is "three hundred eighty-four thousand, five hundred eighty-seven".