563678 has 4 divisors (see below), whose sum is σ = 845520. Its totient is φ = 281838.

The previous prime is 563663. The next prime is 563723. The reversal of 563678 is 876365.

It is a happy number.

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 plaindrome in base 11 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140918 + ... + 140921.

It is an arithmetic number, because the mean of its divisors is an integer number (211380).

2⁵⁶³⁶⁷⁸ is an apocalyptic number.

563678 is a deficient number, since it is larger than the sum of its proper divisors (281842).

563678 is a wasteful number, since it uses less digits than its factorization.

563678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281841.

The product of its digits is 30240, while the sum is 35.

The square root of 563678 is about 750.7849225977. The cubic root of 563678 is about 82.6057657879.

The spelling of 563678 in words is "five hundred sixty-three thousand, six hundred seventy-eight".