6426216 has 80 divisors (see below), whose sum is σ = 18469440. Its totient is φ = 2086560.

The previous prime is 6426181. The next prime is 6426227. The reversal of 6426216 is 6126246.

It is a happy number.

6426216 is a `hidden beast` number, since 642 + 6 + 2 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6426216.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30351 + ... + 30561.

It is an arithmetic number, because the mean of its divisors is an integer number (230868).

Almost surely, 2^6426216 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 6426216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9234720).

6426216 is an abundant number, since it is smaller than the sum of its proper divisors (12043224).

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

6426216 is a wasteful number, since it uses less digits than its factorization.

6426216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 263 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6426216 is about 2534.9982248514. The cubic root of 6426216 is about 185.9167160960.

The spelling of 6426216 in words is "six million, four hundred twenty-six thousand, two hundred sixteen".