3265728 has 56 divisors (see below), whose sum is σ = 8796528. Its totient is φ = 1069056.

The previous prime is 3265727. The next prime is 3265733. The reversal of 3265728 is 8275623.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3265723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13900 + ... + 14132.

Almost surely, 2^3265728 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 3265728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4398264).

3265728 is an abundant number, since it is smaller than the sum of its proper divisors (5530800).

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

3265728 is a wasteful number, since it uses less digits than its factorization.

3265728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 311 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 3265728 is about 1807.1325352613. The cubic root of 3265728 is about 148.3633633038.

It can be divided in two parts, 3265 and 728, that added together give a palindrome (3993).

The spelling of 3265728 in words is "three million, two hundred sixty-five thousand, seven hundred twenty-eight".