3520960728 has 32 divisors (see below), whose sum is σ = 8883164400. Its totient is φ = 1162885248.

The previous prime is 3520960721. The next prime is 3520960733. The reversal of 3520960728 is 8270690253.

It is a self number, because there is not a number n which added to its sum of digits gives 3520960728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520960721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670351 + ... + 675582.

Almost surely, 2^3520960728 is an apocalyptic number.

It is an amenable number.

3520960728 is an abundant number, since it is smaller than the sum of its proper divisors (5362203672).

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

3520960728 is a wasteful number, since it uses less digits than its factorization.

3520960728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346051 (or 1346047 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 3520960728 is about 59337.6838779540. The cubic root of 3520960728 is about 1521.3193657653.

The spelling of 3520960728 in words is "three billion, five hundred twenty million, nine hundred sixty thousand, seven hundred twenty-eight".