6478445 has 16 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 4840704.

The previous prime is 6478429. The next prime is 6478447. The reversal of 6478445 is 5448746.

It is a cyclic number.

It is not a de Polignac number, because 6478445 - 2⁴ = 6478429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6478399 and 6478408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478447) 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 15 ways as a sum of consecutive naturals, for example, 16724 + ... + 17106.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 2^6478445 is an apocalyptic number.

It is an amenable number.

6478445 is a deficient number, since it is larger than the sum of its proper divisors (1815955).

6478445 is a wasteful number, since it uses less digits than its factorization.

6478445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its digits is 107520, while the sum is 38.

The square root of 6478445 is about 2545.2789631001. The cubic root of 6478445 is about 186.4190363662.

The spelling of 6478445 in words is "six million, four hundred seventy-eight thousand, four hundred forty-five".