6255648 has 144 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 1709568.

The previous prime is 6255631. The next prime is 6255649. The reversal of 6255648 is 8465526.

6255648 is a `hidden beast` number, since 6 + 2 + 5 + 5 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (6255649) 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 23 ways as a sum of consecutive naturals, for example, 58411 + ... + 58517.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

Almost surely, 2^6255648 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 6255648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10614240).

6255648 is an abundant number, since it is smaller than the sum of its proper divisors (14972832).

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

6255648 is a wasteful number, since it uses less digits than its factorization.

6255648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 148 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 6255648 is about 2501.1293449160. The cubic root of 6255648 is about 184.2570446528.

It can be divided in two parts, 6255 and 648, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6255648 in words is "six million, two hundred fifty-five thousand, six hundred forty-eight".