6354216 has 96 divisors (see below), whose sum is σ = 19206720. Its totient is φ = 1881600.

The previous prime is 6354203. The next prime is 6354217. The reversal of 6354216 is 6124536.

6354216 is a `hidden beast` number, since 635 + 4 + 21 + 6 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6354216.

It is not an unprimeable number, because it can be changed into a prime (6354217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56176 + ... + 56288.

It is an arithmetic number, because the mean of its divisors is an integer number (200070).

Almost surely, 2^6354216 is an apocalyptic number.

6354216 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6354216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9603360).

6354216 is an abundant number, since it is smaller than the sum of its proper divisors (12852504).

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

6354216 is a wasteful number, since it uses less digits than its factorization.

6354216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 200 counting only the distinct ones).

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

The square root of 6354216 is about 2520.7570291482. The cubic root of 6354216 is about 185.2197631866.

Adding to 6354216 its product of digits (4320), we get a palindrome (6358536).

It can be divided in two parts, 635 and 4216, that added together give a triangular number (4851 = T₉₈).

The spelling of 6354216 in words is "six million, three hundred fifty-four thousand, two hundred sixteen".