6655488 has 80 divisors (see below), whose sum is σ = 20296320. Its totient is φ = 1898496.

The previous prime is 6655423. The next prime is 6655531. The reversal of 6655488 is 8845566.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10443 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (253704).

Almost surely, 2^6655488 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 6655488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10148160).

6655488 is an abundant number, since it is smaller than the sum of its proper divisors (13640832).

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

6655488 is an equidigital number, since it uses as much as digits as its factorization.

6655488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 631 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 6655488 is about 2579.8232497596. The cubic root of 6655488 is about 188.1019516433.

The spelling of 6655488 in words is "six million, six hundred fifty-five thousand, four hundred eighty-eight".