648108 has 48 divisors (see below), whose sum is σ = 1784160. Its totient is φ = 202752.

The previous prime is 648107. The next prime is 648119. The reversal of 648108 is 801846.

648108 is a `hidden beast` number, since 648 + 10 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (648101) by changing a digit.

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, 1660 + ... + 2012.

It is an arithmetic number, because the mean of its divisors is an integer number (37170).

2⁶⁴⁸¹⁰⁸ is an apocalyptic number.

648108 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892080).

648108 is an abundant number, since it is smaller than the sum of its proper divisors (1136052).

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

648108 is a wasteful number, since it uses less digits than its factorization.

648108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 648108 is about 805.0515511444. The cubic root of 648108 is about 86.5397814500.

The spelling of 648108 in words is "six hundred forty-eight thousand, one hundred eight".