3225616 has 15 divisors (see below), whose sum is σ = 6263581. Its totient is φ = 1609216.

The previous prime is 3225539. The next prime is 3225647. The reversal of 3225616 is 6165223.

The square root of 3225616 is 1796.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 1254400 = 1404^2 + 1120^2 .

It is a Duffinian number.

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 in 2 ways as a sum of consecutive naturals, for example, 6960 + ... + 7408.

Almost surely, 2^3225616 is an apocalyptic number.

3225616 is the 1796-th square number.

It is an amenable number.

3225616 is a deficient number, since it is larger than the sum of its proper divisors (3037965).

3225616 is an frugal number, since it uses more digits than its factorization.

3225616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 451 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The cubic root of 3225616 is about 147.7534243363.

Multiplying 3225616 by its sum of digits (25), we get a square (80640400 = 8980²).

The spelling of 3225616 in words is "three million, two hundred twenty-five thousand, six hundred sixteen".