578085 has 16 divisors (see below), whose sum is σ = 979776. Its totient is φ = 290048.

The previous prime is 578077. The next prime is 578093. The reversal of 578085 is 580875.

It is an interprime number because it is at equal distance from previous prime (578077) and next prime (578093).

It is a cyclic number.

It is not a de Polignac number, because 578085 - 2³ = 578077 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (61236).

2⁵⁷⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

578085 is a deficient number, since it is larger than the sum of its proper divisors (401691).

578085 is a wasteful number, since it uses less digits than its factorization.

578085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 578085 is about 760.3190119943. The cubic root of 578085 is about 83.3036249658.

The spelling of 578085 in words is "five hundred seventy-eight thousand, eighty-five".