659488 has 24 divisors (see below), whose sum is σ = 1335852. Its totient is φ = 320256.

The previous prime is 659473. The next prime is 659497. The reversal of 659488 is 884956.

659488 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 144 = 812^2 + 12^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 659488.

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, 906 + ... + 1462.

2⁶⁵⁹⁴⁸⁸ 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 659488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667926).

659488 is an abundant number, since it is smaller than the sum of its proper divisors (676364).

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

659488 is a wasteful number, since it uses less digits than its factorization.

659488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 596 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 659488 is about 812.0886651099. The cubic root of 659488 is about 87.0433570829.

It can be divided in two parts, 65948 and 8, that added together give a palindrome (65956).

The spelling of 659488 in words is "six hundred fifty-nine thousand, four hundred eighty-eight".