3613216 has 12 divisors (see below), whose sum is σ = 7113582. Its totient is φ = 1806592.

The previous prime is 3613201. The next prime is 3613217. The reversal of 3613216 is 6123163.

It can be written as a sum of positive squares in only one way, i.e., 2572816 + 1040400 = 1604^2 + 1020^2 .

It is not an unprimeable number, because it can be changed into a prime (3613217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56425 + ... + 56488.

Almost surely, 2^3613216 is an apocalyptic number.

It is an amenable number.

3613216 is a deficient number, since it is larger than the sum of its proper divisors (3500366).

3613216 is a wasteful number, since it uses less digits than its factorization.

3613216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112923 (or 112915 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 3613216 is about 1900.8461273864. The cubic root of 3613216 is about 153.4492045816.

Adding to 3613216 its reverse (6123163), we get a palindrome (9736379).

The spelling of 3613216 in words is "three million, six hundred thirteen thousand, two hundred sixteen".