563642 has 8 divisors (see below), whose sum is σ = 872832. Its totient is φ = 272700.

The previous prime is 563623. The next prime is 563657. The reversal of 563642 is 246365.

563642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484 + ... + 4607.

It is an arithmetic number, because the mean of its divisors is an integer number (109104).

2⁵⁶³⁶⁴² is an apocalyptic number.

563642 is a deficient number, since it is larger than the sum of its proper divisors (309190).

563642 is a wasteful number, since it uses less digits than its factorization.

563642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124.

The product of its digits is 4320, while the sum is 26.

The square root of 563642 is about 750.7609473061. The cubic root of 563642 is about 82.6040071770.

The spelling of 563642 in words is "five hundred sixty-three thousand, six hundred forty-two".