3289216 has 32 divisors (see below), whose sum is σ = 7490880. Its totient is φ = 1409280.

The previous prime is 3289171. The next prime is 3289229. The reversal of 3289216 is 6129823.

It is a tau number, because it is divible by the number of its divisors (32).

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, 940 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (234090).

Almost surely, 2^3289216 is an apocalyptic number.

It is an amenable number.

3289216 is an abundant number, since it is smaller than the sum of its proper divisors (4201664).

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

3289216 is an equidigital number, since it uses as much as digits as its factorization.

3289216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692 (or 3680 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 3289216 is about 1813.6195852493. The cubic root of 3289216 is about 148.7182037822.

The spelling of 3289216 in words is "three million, two hundred eighty-nine thousand, two hundred sixteen".