565940 has 12 divisors (see below), whose sum is σ = 1188516. Its totient is φ = 226368.

The previous prime is 565937. The next prime is 565973. The reversal of 565940 is 49565.

It can be written as a sum of positive squares in 2 ways, for example, as 119716 + 446224 = 346^2 + 668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14129 + ... + 14168.

It is an arithmetic number, because the mean of its divisors is an integer number (99043).

2⁵⁶⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

565940 is an abundant number, since it is smaller than the sum of its proper divisors (622576).

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

565940 is a wasteful number, since it uses less digits than its factorization.

565940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28306 (or 28304 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 565940 is about 752.2898377620. The cubic root of 565940 is about 82.7161153455.

The spelling of 565940 in words is "five hundred sixty-five thousand, nine hundred forty".