6378416 has 20 divisors (see below), whose sum is σ = 13482024. Its totient is φ = 2899200.

The previous prime is 6378409. The next prime is 6378487. The reversal of 6378416 is 6148736.

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, 17945 + ... + 18296.

Almost surely, 2^6378416 is an apocalyptic number.

It is an amenable number.

6378416 is an abundant number, since it is smaller than the sum of its proper divisors (7103608).

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

6378416 is a wasteful number, since it uses less digits than its factorization.

6378416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36260 (or 36254 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 6378416 is about 2525.5526127959. The cubic root of 6378416 is about 185.4546014936.

The spelling of 6378416 in words is "six million, three hundred seventy-eight thousand, four hundred sixteen".