6478944 has 24 divisors (see below), whose sum is σ = 17007480. Its totient is φ = 2159616.

The previous prime is 6478937. The next prime is 6478949. The reversal of 6478944 is 4498746.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 6478896 and 6478905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33649 + ... + 33840.

It is an arithmetic number, because the mean of its divisors is an integer number (708645).

Almost surely, 2^6478944 is an apocalyptic number.

It is an amenable number.

6478944 is an abundant number, since it is smaller than the sum of its proper divisors (10528536).

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

6478944 is a wasteful number, since it uses less digits than its factorization.

6478944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67502 (or 67494 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 6478944 is about 2545.3769858314. The cubic root of 6478944 is about 186.4238225307.

It can be divided in two parts, 647 and 8944, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 6478944 in words is "six million, four hundred seventy-eight thousand, nine hundred forty-four".