568820 has 48 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 182784.

The previous prime is 568807. The next prime is 568823. The reversal of 568820 is 28865.

568820 = 1² + 2² + ... + 119².

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568823) by changing a digit.

568820 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 15 ways as a sum of consecutive naturals, for example, 2261 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2⁵⁶⁸⁸²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 568820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

568820 is an abundant number, since it is smaller than the sum of its proper divisors (882700).

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

568820 is a wasteful number, since it uses less digits than its factorization.

568820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 568820 is about 754.2015645701. The cubic root of 568820 is about 82.8561887665.

The spelling of 568820 in words is "five hundred sixty-eight thousand, eight hundred twenty".