578784 has 24 divisors (see below), whose sum is σ = 1519560. Its totient is φ = 192896.

The previous prime is 578779. The next prime is 578789. The reversal of 578784 is 487875.

It is an interprime number because it is at equal distance from previous prime (578779) and next prime (578789).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578789) by changing a digit.

578784 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, 2919 + ... + 3110.

It is an arithmetic number, because the mean of its divisors is an integer number (63315).

2⁵⁷⁸⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

578784 is an abundant number, since it is smaller than the sum of its proper divisors (940776).

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

578784 is a wasteful number, since it uses less digits than its factorization.

578784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042 (or 6034 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 578784 is about 760.7785485935. The cubic root of 578784 is about 83.3371873773.

Subtracting from 578784 its reverse (487875), we obtain a palindrome (90909).

The spelling of 578784 in words is "five hundred seventy-eight thousand, seven hundred eighty-four".