563705838 has 32 divisors (see below), whose sum is σ = 1262257920. Its totient is φ = 186465240.

The previous prime is 563705789. The next prime is 563705887. The reversal of 563705838 is 838507365.

563705838 is a `hidden beast` number, since 5 + 63 + 7 + 0 + 583 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (563705789) and next prime (563705887).

It is a junction number, because it is equal to n+sod(n) for n = 563705793 and 563705802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32770 + ... + 46917.

It is an arithmetic number, because the mean of its divisors is an integer number (39445560).

Almost surely, 2^563705838 is an apocalyptic number.

563705838 is an abundant number, since it is smaller than the sum of its proper divisors (698552082).

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

563705838 is a wasteful number, since it uses less digits than its factorization.

563705838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79829 (or 79823 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 563705838 is about 23742.4901389892. The cubic root of 563705838 is about 826.0712563135.

The spelling of 563705838 in words is "five hundred sixty-three million, seven hundred five thousand, eight hundred thirty-eight".