3201216 has 28 divisors (see below), whose sum is σ = 8470392. Its totient is φ = 1067008.

The previous prime is 3201199. The next prime is 3201229. The reversal of 3201216 is 6121023.

It is a junction number, because it is equal to n+sod(n) for n = 3201195 and 3201204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8145 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (302514).

Almost surely, 2^3201216 is an apocalyptic number.

It is an amenable number.

3201216 is an abundant number, since it is smaller than the sum of its proper divisors (5269176).

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

3201216 is a wasteful number, since it uses less digits than its factorization.

3201216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16688 (or 16678 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3201216 is about 1789.1942320497. The cubic root of 3201216 is about 147.3799233414.

Adding to 3201216 its reverse (6121023), we get a palindrome (9322239).

The spelling of 3201216 in words is "three million, two hundred one thousand, two hundred sixteen".