3216344 has 8 divisors (see below), whose sum is σ = 6030660. Its totient is φ = 1608168.

The previous prime is 3216341. The next prime is 3216359. The reversal of 3216344 is 4436123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201014 + ... + 201029.

Almost surely, 2^3216344 is an apocalyptic number.

It is an amenable number.

3216344 is a deficient number, since it is larger than the sum of its proper divisors (2814316).

3216344 is a wasteful number, since it uses less digits than its factorization.

3216344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402049 (or 402045 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 3216344 is about 1793.4168505955. The cubic root of 3216344 is about 147.6117165710.

The spelling of 3216344 in words is "three million, two hundred sixteen thousand, three hundred forty-four".