6477904 has 40 divisors (see below), whose sum is σ = 13570560. Its totient is φ = 2986368.

The previous prime is 6477871. The next prime is 6477929. The reversal of 6477904 is 4097746.

It is a Smith number, since the sum of its digits (37) 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 7 ways as a sum of consecutive naturals, for example, 10369 + ... + 10975.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 2^6477904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6477904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6785280).

6477904 is an abundant number, since it is smaller than the sum of its proper divisors (7092656).

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

6477904 is a wasteful number, since it uses less digits than its factorization.

6477904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 6477904 is about 2545.1726856934. The cubic root of 6477904 is about 186.4138470805.

It can be divided in two parts, 6477 and 904, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6477904 in words is "six million, four hundred seventy-seven thousand, nine hundred four".