563776 has 28 divisors (see below), whose sum is σ = 1170432. Its totient is φ = 268928.

The previous prime is 563747. The next prime is 563777. The reversal of 563776 is 677365.

563776 = T₁₃₃ + T₁₃₄ + ... + T₁₇₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563777) by changing a digit.

563776 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 3 ways as a sum of consecutive naturals, for example, 1281 + ... + 1663.

2⁵⁶³⁷⁷⁶ 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 563776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585216).

563776 is an abundant number, since it is smaller than the sum of its proper divisors (606656).

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

563776 is a wasteful number, since it uses less digits than its factorization.

563776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 408 counting only the distinct ones).

The product of its digits is 26460, while the sum is 34.

The square root of 563776 is about 750.8501847905. The cubic root of 563776 is about 82.6105527384.

The spelling of 563776 in words is "five hundred sixty-three thousand, seven hundred seventy-six".