3655216 has 10 divisors (see below), whose sum is σ = 7082012. Its totient is φ = 1827600.

The previous prime is 3655199. The next prime is 3655217. The reversal of 3655216 is 6125563.

3655216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3655217) 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, 114210 + ... + 114241.

Almost surely, 2^3655216 is an apocalyptic number.

It is an amenable number.

3655216 is a deficient number, since it is larger than the sum of its proper divisors (3426796).

3655216 is a wasteful number, since it uses less digits than its factorization.

3655216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228459 (or 228453 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 3655216 is about 1911.8619197003. The cubic root of 3655216 is about 154.0414798030.

The spelling of 3655216 in words is "three million, six hundred fifty-five thousand, two hundred sixteen".