6407216 has 40 divisors (see below), whose sum is σ = 13005120. Its totient is φ = 3055104.

The previous prime is 6407209. The next prime is 6407227. The reversal of 6407216 is 6127046.

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, 46700 + ... + 46836.

It is an arithmetic number, because the mean of its divisors is an integer number (325128).

Almost surely, 2^6407216 is an apocalyptic number.

It is an amenable number.

6407216 is an abundant number, since it is smaller than the sum of its proper divisors (6597904).

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

6407216 is a wasteful number, since it uses less digits than its factorization.

6407216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 6407216 is about 2531.2479135794. The cubic root of 6407216 is about 185.7333056880.

The spelling of 6407216 in words is "six million, four hundred seven thousand, two hundred sixteen".