6441888 has 24 divisors (see below), whose sum is σ = 16910208. Its totient is φ = 2147264.

The previous prime is 6441887. The next prime is 6441889. The reversal of 6441888 is 8881446.

It is an interprime number because it is at equal distance from previous prime (6441887) and next prime (6441889).

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6441887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33456 + ... + 33647.

It is an arithmetic number, because the mean of its divisors is an integer number (704592).

Almost surely, 2^6441888 is an apocalyptic number.

It is an amenable number.

6441888 is an abundant number, since it is smaller than the sum of its proper divisors (10468320).

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

6441888 is a wasteful number, since it uses less digits than its factorization.

6441888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67116 (or 67108 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The square root of 6441888 is about 2538.0874689419. The cubic root of 6441888 is about 186.0677288322.

The spelling of 6441888 in words is "six million, four hundred forty-one thousand, eight hundred eighty-eight".