563394 has 32 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 167040.

The previous prime is 563377. The next prime is 563401. The reversal of 563394 is 493365.

It is a happy number.

It is an unprimeable number.

563394 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁵⁶³³⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628992).

563394 is an abundant number, since it is smaller than the sum of its proper divisors (694590).

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

563394 is a wasteful number, since it uses less digits than its factorization.

563394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

The product of its digits is 9720, while the sum is 30.

The square root of 563394 is about 750.5957633773. The cubic root of 563394 is about 82.5918902665.

The spelling of 563394 in words is "five hundred sixty-three thousand, three hundred ninety-four".