3216664 has 24 divisors (see below), whose sum is σ = 6631380. Its totient is φ = 1461680.

The previous prime is 3216659. The next prime is 3216667. The reversal of 3216664 is 4666123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694 + ... + 2629.

Almost surely, 2^3216664 is an apocalyptic number.

It is an amenable number.

3216664 is an abundant number, since it is smaller than the sum of its proper divisors (3414716).

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

3216664 is a wasteful number, since it uses less digits than its factorization.

3216664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351 (or 3336 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 3216664 is about 1793.5060635526. The cubic root of 3216664 is about 147.6166117960.

The spelling of 3216664 in words is "three million, two hundred sixteen thousand, six hundred sixty-four".