562644 has 18 divisors (see below), whose sum is σ = 1422330. Its totient is φ = 187536.

The previous prime is 562633. The next prime is 562651. The reversal of 562644 is 446265.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 562500 + 144 = 750^2 + 12^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 562644.

It is an unprimeable number.

562644 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 5 ways as a sum of consecutive naturals, for example, 7779 + ... + 7850.

562644 is a Friedman number, since it can be written as 6*6*(5^(4+2)+4), using all its digits and the basic arithmetic operations.

2⁵⁶²⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

562644 is an abundant number, since it is smaller than the sum of its proper divisors (859686).

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

562644 is a wasteful number, since it uses less digits than its factorization.

562644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15639 (or 15634 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 562644 is about 750.0959938568. The cubic root of 562644 is about 82.5552247328. Note that the first 3 decimals are identical.

The spelling of 562644 in words is "five hundred sixty-two thousand, six hundred forty-four".