3260728 has 16 divisors (see below), whose sum is σ = 6169680. Its totient is φ = 1615488.

The previous prime is 3260717. The next prime is 3260729. The reversal of 3260728 is 8270623.

It is a d-powerful number, because it can be written as 3¹² + 2¹⁰ + 6⁸ + 0 + 7 + 2²⁰ + 8² .

It is a junction number, because it is equal to n+sod(n) for n = 3260696 and 3260705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3260729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (385605).

Almost surely, 2^3260728 is an apocalyptic number.

It is an amenable number.

3260728 is a deficient number, since it is larger than the sum of its proper divisors (2908952).

3260728 is a wasteful number, since it uses less digits than its factorization.

3260728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726 (or 3722 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3260728 is about 1805.7485982273. The cubic root of 3260728 is about 148.2876072778.

The spelling of 3260728 in words is "three million, two hundred sixty thousand, seven hundred twenty-eight".