6447846 has 8 divisors (see below), whose sum is σ = 12895704. Its totient is φ = 2149280.

The previous prime is 6447841. The next prime is 6447853. The reversal of 6447846 is 6487446.

It is a sphenic number, since it is the product of 3 distinct primes.

6447846 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447841) 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 3 ways as a sum of consecutive naturals, for example, 537315 + ... + 537326.

It is an arithmetic number, because the mean of its divisors is an integer number (1611963).

Almost surely, 2^6447846 is an apocalyptic number.

6447846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6447846 is a wasteful number, since it uses less digits than its factorization.

6447846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074646.

The product of its digits is 129024, while the sum is 39.

The square root of 6447846 is about 2539.2609160935. The cubic root of 6447846 is about 186.1250748530.

The spelling of 6447846 in words is "six million, four hundred forty-seven thousand, eight hundred forty-six".