3216245 has 16 divisors (see below), whose sum is σ = 4097520. Its totient is φ = 2419200.

The previous prime is 3216233. The next prime is 3216259. The reversal of 3216245 is 5426123.

3216245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 470596 + 2745649 = 686^2 + 1657^2 .

It is not a de Polignac number, because 3216245 - 2¹⁶ = 3150709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3216245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5675 + ... + 6215.

It is an arithmetic number, because the mean of its divisors is an integer number (256095).

Almost surely, 2^3216245 is an apocalyptic number.

It is an amenable number.

3216245 is a deficient number, since it is larger than the sum of its proper divisors (881275).

3216245 is a wasteful number, since it uses less digits than its factorization.

3216245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its digits is 1440, while the sum is 23.

The square root of 3216245 is about 1793.3892494381. The cubic root of 3216245 is about 147.6102020450.

The spelling of 3216245 in words is "three million, two hundred sixteen thousand, two hundred forty-five".