3216441 has 4 divisors (see below), whose sum is σ = 4288592. Its totient is φ = 2144292.

The previous prime is 3216431. The next prime is 3216449. The reversal of 3216441 is 1446123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3216441 - 2¹⁰ = 3215417 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3216449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536071 + ... + 536076.

It is an arithmetic number, because the mean of its divisors is an integer number (1072148).

Almost surely, 2^3216441 is an apocalyptic number.

It is an amenable number.

3216441 is a deficient number, since it is larger than the sum of its proper divisors (1072151).

3216441 is a wasteful number, since it uses less digits than its factorization.

3216441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072150.

The product of its digits is 576, while the sum is 21.

The square root of 3216441 is about 1793.4438937419. The cubic root of 3216441 is about 147.6132004704.

It can be divided in two parts, 321 and 6441, that multiplied together give a triangular number (2067561 = T₂₀₃₃).

The spelling of 3216441 in words is "three million, two hundred sixteen thousand, four hundred forty-one".