6478886 has 8 divisors (see below), whose sum is σ = 10229880. Its totient is φ = 3068928.

The previous prime is 6478883. The next prime is 6478891. The reversal of 6478886 is 6888746.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6478886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478883) 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, 85211 + ... + 85286.

It is an arithmetic number, because the mean of its divisors is an integer number (1278735).

Almost surely, 2^6478886 is an apocalyptic number.

6478886 is a deficient number, since it is larger than the sum of its proper divisors (3750994).

6478886 is a wasteful number, since it uses less digits than its factorization.

6478886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170518.

The product of its digits is 516096, while the sum is 47.

The square root of 6478886 is about 2545.3655926016. The cubic root of 6478886 is about 186.4232662357.

The spelling of 6478886 in words is "six million, four hundred seventy-eight thousand, eight hundred eighty-six".