3228472 has 32 divisors (see below), whose sum is σ = 6703200. Its totient is φ = 1448064.

The previous prime is 3228469. The next prime is 3228517. The reversal of 3228472 is 2748223.

It is a d-powerful number, because it can be written as 3⁴ + 2¹⁶ + 2²⁰ + 8² + 4⁴ + 7⁵ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3228472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3429 + ... + 4267.

It is an arithmetic number, because the mean of its divisors is an integer number (209475).

Almost surely, 2^3228472 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 3228472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351600).

3228472 is an abundant number, since it is smaller than the sum of its proper divisors (3474728).

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

3228472 is a wasteful number, since it uses less digits than its factorization.

3228472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 3228472 is about 1796.7949243027. The cubic root of 3228472 is about 147.7970190376.

Subtracting from 3228472 its reverse (2748223), we obtain a square (480249 = 693²).

The spelling of 3228472 in words is "three million, two hundred twenty-eight thousand, four hundred seventy-two".