3025728 has 112 divisors (see below), whose sum is σ = 9509760. Its totient is φ = 940032.

The previous prime is 3025709. The next prime is 3025739. The reversal of 3025728 is 8275203.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29325 + ... + 29427.

Almost surely, 2^3025728 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 3025728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754880).

3025728 is an abundant number, since it is smaller than the sum of its proper divisors (6484032).

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

3025728 is a wasteful number, since it uses less digits than its factorization.

3025728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3025728 is about 1739.4619857876. The cubic root of 3025728 is about 144.6360750886.

The spelling of 3025728 in words is "three million, twenty-five thousand, seven hundred twenty-eight".