3225872 has 30 divisors (see below), whose sum is σ = 6773562. Its totient is φ = 1487616.

The previous prime is 3225853. The next prime is 3225883. The reversal of 3225872 is 2785223.

It can be written as a sum of positive squares in 3 ways, for example, as 256 + 3225616 = 16^2 + 1796^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2108 + ... + 3300.

Almost surely, 2^3225872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3225872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386781).

3225872 is an abundant number, since it is smaller than the sum of its proper divisors (3547690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3225872 is a wasteful number, since it uses less digits than its factorization.

3225872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1208 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 3225872 is about 1796.0712680737. The cubic root of 3225872 is about 147.7573330343.

It can be divided in two parts, 32258 and 72, that multiplied together give a square (2322576 = 1524²).

The spelling of 3225872 in words is "three million, two hundred twenty-five thousand, eight hundred seventy-two".