559638 has 12 divisors (see below), whose sum is σ = 1212588. Its totient is φ = 186540.

The previous prime is 559633. The next prime is 559639. The reversal of 559638 is 836955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (559631) by changing a digit.

559638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15528 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (101049).

2⁵⁵⁹⁶³⁸ is an apocalyptic number.

559638 is an abundant number, since it is smaller than the sum of its proper divisors (652950).

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

559638 is a wasteful number, since it uses less digits than its factorization.

559638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31099 (or 31096 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 559638 is about 748.0895668301. The cubic root of 559638 is about 82.4079413906.

The spelling of 559638 in words is "five hundred fifty-nine thousand, six hundred thirty-eight".