563438 has 4 divisors (see below), whose sum is σ = 845160. Its totient is φ = 281718.

The previous prime is 563419. The next prime is 563447. The reversal of 563438 is 834365.

563438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 563438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140858 + ... + 140861.

It is an arithmetic number, because the mean of its divisors is an integer number (211290).

2⁵⁶³⁴³⁸ is an apocalyptic number.

563438 is a deficient number, since it is larger than the sum of its proper divisors (281722).

563438 is a wasteful number, since it uses less digits than its factorization.

563438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281721.

The product of its digits is 8640, while the sum is 29.

The square root of 563438 is about 750.6250728559. The cubic root of 563438 is about 82.5940403003.

It can be divided in two parts, 563 and 438, that added together give a palindrome (1001).

The spelling of 563438 in words is "five hundred sixty-three thousand, four hundred thirty-eight".