565828 has 24 divisors (see below), whose sum is σ = 1075032. Its totient is φ = 259584.

The previous prime is 565813. The next prime is 565849. The reversal of 565828 is 828565.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 412164 = 392^2 + 642^2 .

It is a super-2 number, since 2×565828² = 640322651168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 565793 and 565802.

It is an unprimeable number.

565828 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 7 ways as a sum of consecutive naturals, for example, 3526 + ... + 3682.

It is an arithmetic number, because the mean of its divisors is an integer number (44793).

2⁵⁶⁵⁸²⁸ is an apocalyptic number.

It is an amenable number.

565828 is a deficient number, since it is larger than the sum of its proper divisors (509204).

565828 is a wasteful number, since it uses less digits than its factorization.

565828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 565828 is about 752.2153946843. The cubic root of 565828 is about 82.7106584560.

The spelling of 565828 in words is "five hundred sixty-five thousand, eight hundred twenty-eight".