6478816 has 24 divisors (see below), whose sum is σ = 12817224. Its totient is φ = 3223680.

The previous prime is 6478793. The next prime is 6478831. The reversal of 6478816 is 6188746.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9031 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (534051).

Almost surely, 2^6478816 is an apocalyptic number.

It is an amenable number.

6478816 is a deficient number, since it is larger than the sum of its proper divisors (6338408).

6478816 is a wasteful number, since it uses less digits than its factorization.

6478816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 986 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 6478816 is about 2545.3518420839. The cubic root of 6478816 is about 186.4225948406.

The spelling of 6478816 in words is "six million, four hundred seventy-eight thousand, eight hundred sixteen".