6478404 has 24 divisors (see below), whose sum is σ = 15525888. Its totient is φ = 2100960.

The previous prime is 6478379. The next prime is 6478421. The reversal of 6478404 is 4048746.

6478404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6852 + ... + 7739.

It is an arithmetic number, because the mean of its divisors is an integer number (646912).

Almost surely, 2^6478404 is an apocalyptic number.

It is an amenable number.

6478404 is an abundant number, since it is smaller than the sum of its proper divisors (9047484).

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

6478404 is a wasteful number, since it uses less digits than its factorization.

6478404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635 (or 14633 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 6478404 is about 2545.2709089604. The cubic root of 6478404 is about 186.4186431033.

The spelling of 6478404 in words is "six million, four hundred seventy-eight thousand, four hundred four".