6491716 has 36 divisors (see below), whose sum is σ = 14421456. Its totient is φ = 2528400.

The previous prime is 6491707. The next prime is 6491729. The reversal of 6491716 is 6171946.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (400596).

Almost surely, 2^6491716 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 6491716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7210728).

6491716 is an abundant number, since it is smaller than the sum of its proper divisors (7929740).

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

6491716 is a wasteful number, since it uses less digits than its factorization.

6491716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3031 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 6491716 is about 2547.8846127719. The cubic root of 6491716 is about 186.5462417710.

The spelling of 6491716 in words is "six million, four hundred ninety-one thousand, seven hundred sixteen".