6641488 has 40 divisors (see below), whose sum is σ = 15485120. Its totient is φ = 2695680.

The previous prime is 6641477. The next prime is 6641489. The reversal of 6641488 is 8841466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641489) 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 7 ways as a sum of consecutive naturals, for example, 568 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (387128).

Almost surely, 2^6641488 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 6641488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7742560).

6641488 is an abundant number, since it is smaller than the sum of its proper divisors (8843632).

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

6641488 is a wasteful number, since it uses less digits than its factorization.

6641488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3149 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 6641488 is about 2577.1084571667. The cubic root of 6641488 is about 187.9699665317.

The spelling of 6641488 in words is "six million, six hundred forty-one thousand, four hundred eighty-eight".