6534216 has 96 divisors (see below), whose sum is σ = 19764000. Its totient is φ = 1999296.

The previous prime is 6534197. The next prime is 6534247. The reversal of 6534216 is 6124356.

6534216 is a `hidden beast` number, since 653 + 4 + 2 + 1 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6534216.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36415 + ... + 36593.

It is an arithmetic number, because the mean of its divisors is an integer number (205875).

Almost surely, 2^6534216 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 6534216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9882000).

6534216 is an abundant number, since it is smaller than the sum of its proper divisors (13229784).

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

6534216 is a wasteful number, since it uses less digits than its factorization.

6534216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 197 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 6534216 is about 2556.2112588751. The cubic root of 6534216 is about 186.9524505678.

It can be divided in two parts, 6534 and 216, that multiplied together give a square (1411344 = 1188²).

The spelling of 6534216 in words is "six million, five hundred thirty-four thousand, two hundred sixteen".