659936 has 24 divisors (see below), whose sum is σ = 1333584. Its totient is φ = 321280.

The previous prime is 659917. The next prime is 659941. The reversal of 659936 is 639956.

It is a self number, because there is not a number n which added to its sum of digits gives 659936.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 659936.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 1061 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (55566).

2⁶⁵⁹⁹³⁶ 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 659936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666792).

659936 is an abundant number, since it is smaller than the sum of its proper divisors (673648).

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

659936 is a wasteful number, since it uses less digits than its factorization.

659936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 546 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 659936 is about 812.3644502315. The cubic root of 659936 is about 87.0630625702.

It can be divided in two parts, 65 and 9936, that added together give a palindrome (10001).

The spelling of 659936 in words is "six hundred fifty-nine thousand, nine hundred thirty-six".