565946 has 4 divisors (see below), whose sum is σ = 848922. Its totient is φ = 282972.

The previous prime is 565937. The next prime is 565973. The reversal of 565946 is 649565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 469225 + 96721 = 685^2 + 311^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141485 + ... + 141488.

2⁵⁶⁵⁹⁴⁶ is an apocalyptic number.

565946 is a deficient number, since it is larger than the sum of its proper divisors (282976).

565946 is a wasteful number, since it uses less digits than its factorization.

565946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282975.

The product of its digits is 32400, while the sum is 35.

The square root of 565946 is about 752.2938255762. The cubic root of 565946 is about 82.7164076585.

The spelling of 565946 in words is "five hundred sixty-five thousand, nine hundred forty-six".