2728090439 has 8 divisors (see below), whose sum is σ = 2813408640. Its totient is φ = 2644075000.

The previous prime is 2728090423. The next prime is 2728090451. The reversal of 2728090439 is 9340908272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2728090439 - 2⁴ = 2728090423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2728090439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728090499) 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, 321437 + ... + 329814.

It is an arithmetic number, because the mean of its divisors is an integer number (351676080).

Almost surely, 2^2728090439 is an apocalyptic number.

2728090439 is a deficient number, since it is larger than the sum of its proper divisors (85318201).

2728090439 is an equidigital number, since it uses as much as digits as its factorization.

2728090439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651381.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2728090439 is about 52231.1251937004. The cubic root of 2728090439 is about 1397.2890462566.

The spelling of 2728090439 in words is "two billion, seven hundred twenty-eight million, ninety thousand, four hundred thirty-nine".