578564 has 12 divisors (see below), whose sum is σ = 1157184. Its totient is φ = 247944.

The previous prime is 578563. The next prime is 578573. The reversal of 578564 is 465875.

578564 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (578563) 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, 10304 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (96432).

2⁵⁷⁸⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

578564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

578564 is a wasteful number, since it uses less digits than its factorization.

578564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20674 (or 20672 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 578564 is about 760.6339461265. The cubic root of 578564 is about 83.3266270159.

The spelling of 578564 in words is "five hundred seventy-eight thousand, five hundred sixty-four".