6441996 has 48 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 1897920.

The previous prime is 6441989. The next prime is 6442003. The reversal of 6441996 is 6991446.

It is an interprime number because it is at equal distance from previous prime (6441989) and next prime (6442003).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4225 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 2^6441996 is an apocalyptic number.

6441996 is a gapful number since it is divisible by the number (66) 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 6441996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8426880).

6441996 is an abundant number, since it is smaller than the sum of its proper divisors (10411764).

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

6441996 is a wasteful number, since it uses less digits than its factorization.

6441996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1372 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 6441996 is about 2538.1087447152. The cubic root of 6441996 is about 186.0687686517.

The spelling of 6441996 in words is "six million, four hundred forty-one thousand, nine hundred ninety-six".