563992 has 64 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 215040.

The previous prime is 563987. The next prime is 563999. The reversal of 563992 is 299365.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19434 + ... + 19462.

2⁵⁶³⁹⁹² is an apocalyptic number.

563992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680400).

563992 is an abundant number, since it is smaller than the sum of its proper divisors (796808).

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

563992 is a wasteful number, since it uses less digits than its factorization.

563992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 72 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 563992 is about 750.9940079654. The cubic root of 563992 is about 82.6211016095.

The spelling of 563992 in words is "five hundred sixty-three thousand, nine hundred ninety-two".