3564216 has 64 divisors (see below), whose sum is σ = 10260000. Its totient is φ = 1145088.

The previous prime is 3564193. The next prime is 3564221. The reversal of 3564216 is 6124653.

3564216 is a `hidden beast` number, since 3 + 5 + 642 + 16 = 666.

3564216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3564216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5980 + ... + 6548.

Almost surely, 2^3564216 is an apocalyptic number.

3564216 is a gapful number since it is divisible by the number (36) 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 3564216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5130000).

3564216 is an abundant number, since it is smaller than the sum of its proper divisors (6695784).

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

3564216 is a wasteful number, since it uses less digits than its factorization.

3564216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 603 counting only the distinct ones).

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

The square root of 3564216 is about 1887.9131335949. The cubic root of 3564216 is about 152.7523868719.

Adding to 3564216 its reverse (6124653), we get a palindrome (9688869).

The spelling of 3564216 in words is "three million, five hundred sixty-four thousand, two hundred sixteen".