563388 has 48 divisors (see below), whose sum is σ = 1585920. Its totient is φ = 152064.

The previous prime is 563377. The next prime is 563401. The reversal of 563388 is 883365.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

Its product of digits (17280) is a multiple of the sum of its prime divisors (384).

It is a congruent number.

It is an unprimeable number.

563388 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 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (33040).

2⁵⁶³³⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792960).

563388 is an abundant number, since it is smaller than the sum of its proper divisors (1022532).

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

563388 is a wasteful number, since it uses less digits than its factorization.

563388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 563388 is about 750.5917665416. The cubic root of 563388 is about 82.5915970714.

The spelling of 563388 in words is "five hundred sixty-three thousand, three hundred eighty-eight".