563994 has 12 divisors (see below), whose sum is σ = 1222026. Its totient is φ = 187992.
The previous prime is 563987. The next prime is 563999. The reversal of 563994 is 499365.
563994 is a `hidden beast` number, since 563 + 9 + 94 = 666.
It can be written as a sum of positive squares in only one way, i.e., 288369 + 275625 = 537^2 + 525^2 .
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 563994.
It is not an unprimeable number, because it can be changed into a prime (563999) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15649 + ... + 15684.
2563994 is an apocalyptic number.
563994 is an abundant number, since it is smaller than the sum of its proper divisors (658032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
563994 is a wasteful number, since it uses less digits than its factorization.
563994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31341 (or 31338 counting only the distinct ones).
The product of its digits is 29160, while the sum is 36.
The square root of 563994 is about 750.9953395328. The cubic root of 563994 is about 82.6211992716.
The spelling of 563994 in words is "five hundred sixty-three thousand, nine hundred ninety-four".
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