3641216 has 16 divisors (see below), whose sum is σ = 7254240. Its totient is φ = 1820544.

The previous prime is 3641201. The next prime is 3641219. The reversal of 3641216 is 6121463.

It is a happy number.

3641216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 3641191 and 3641200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641219) by changing a digit.

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 as a sum of consecutive naturals, namely, 14096 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (453390).

Almost surely, 2^3641216 is an apocalyptic number.

It is an amenable number.

3641216 is a deficient number, since it is larger than the sum of its proper divisors (3613024).

3641216 is an equidigital number, since it uses as much as digits as its factorization.

3641216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28461 (or 28449 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 3641216 is about 1908.1970548138. The cubic root of 3641216 is about 153.8445612143.

Adding to 3641216 its reverse (6121463), we get a palindrome (9762679).

The spelling of 3641216 in words is "three million, six hundred forty-one thousand, two hundred sixteen".