6478487 has 8 divisors (see below), whose sum is σ = 6846000. Its totient is φ = 6113664.

The previous prime is 6478481. The next prime is 6478489. The reversal of 6478487 is 7848746.

6478487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6478487 - 2⁴ = 6478471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6143 + ... + 7119.

It is an arithmetic number, because the mean of its divisors is an integer number (855750).

Almost surely, 2^6478487 is an apocalyptic number.

6478487 is a deficient number, since it is larger than the sum of its proper divisors (367513).

6478487 is a wasteful number, since it uses less digits than its factorization.

6478487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its digits is 301056, while the sum is 44.

The square root of 6478487 is about 2545.2872136559. The cubic root of 6478487 is about 186.4194392192.

The spelling of 6478487 in words is "six million, four hundred seventy-eight thousand, four hundred eighty-seven".