648882 has 48 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 192096.

The previous prime is 648871. The next prime is 648887. The reversal of 648882 is 288846.

648882 is a `hidden beast` number, since 648 + 8 + 8 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (648887) by changing a digit.

648882 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 23 ways as a sum of consecutive naturals, for example, 10969 + ... + 11027.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2⁶⁴⁸⁸⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

648882 is an abundant number, since it is smaller than the sum of its proper divisors (923598).

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

648882 is a wasteful number, since it uses less digits than its factorization.

648882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 124 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 648882 is about 805.5321222645. The cubic root of 648882 is about 86.5742176572.

Subtracting from 648882 its sum of digits (36), we obtain a palindrome (648846).

It can be divided in two parts, 648 and 882, that multiplied together give a square (571536 = 756²).

The spelling of 648882 in words is "six hundred forty-eight thousand, eight hundred eighty-two".