659448 has 64 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 211680.

The previous prime is 659437. The next prime is 659453. The reversal of 659448 is 844956.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 659448.

It is an unprimeable number.

659448 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9253 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2⁶⁵⁹⁴⁴⁸ 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 659448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950400).

659448 is an abundant number, since it is smaller than the sum of its proper divisors (1241352).

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

659448 is a wasteful number, since it uses less digits than its factorization.

659448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 119 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 659448 is about 812.0640368838. The cubic root of 659448 is about 87.0415972305.

The spelling of 659448 in words is "six hundred fifty-nine thousand, four hundred forty-eight".