3216424 has 8 divisors (see below), whose sum is σ = 6030810. Its totient is φ = 1608208.

The previous prime is 3216413. The next prime is 3216431. The reversal of 3216424 is 4246123.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 1020100 = 1482^2 + 1010^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3216395 and 3216404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201019 + ... + 201034.

Almost surely, 2^3216424 is an apocalyptic number.

It is an amenable number.

3216424 is a deficient number, since it is larger than the sum of its proper divisors (2814386).

3216424 is a wasteful number, since it uses less digits than its factorization.

3216424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402059 (or 402055 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 3216424 is about 1793.4391542508. The cubic root of 3216424 is about 147.6129404077.

The spelling of 3216424 in words is "three million, two hundred sixteen thousand, four hundred twenty-four".