563894136 has 192 divisors, whose sum is σ = 1741914720. Its totient is φ = 169827840.

The previous prime is 563894101. The next prime is 563894137. The reversal of 563894136 is 631498365.

563894136 is a `hidden beast` number, since 5 + 638 + 9 + 4 + 1 + 3 + 6 = 666.

563894136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 563894091 and 563894100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563894137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1339206 + ... + 1339626.

Almost surely, 2^563894136 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 563894136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870957360).

563894136 is an abundant number, since it is smaller than the sum of its proper divisors (1178020584).

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

563894136 is a wasteful number, since it uses less digits than its factorization.

563894136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 492 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 563894136 is about 23746.4552302023. The cubic root of 563894136 is about 826.1632252322.

The spelling of 563894136 in words is "five hundred sixty-three million, eight hundred ninety-four thousand, one hundred thirty-six".