2728338517 has 16 divisors (see below), whose sum is σ = 2923558272. Its totient is φ = 2537164800.

The previous prime is 2728338493. The next prime is 2728338527. The reversal of 2728338517 is 7158338272.

It is a cyclic number.

It is not a de Polignac number, because 2728338517 - 2²³ = 2719949909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728338527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492678 + ... + 498184.

It is an arithmetic number, because the mean of its divisors is an integer number (182722392).

Almost surely, 2^2728338517 is an apocalyptic number.

It is an amenable number.

2728338517 is a deficient number, since it is larger than the sum of its proper divisors (195219755).

2728338517 is a wasteful number, since it uses less digits than its factorization.

2728338517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868.

The product of its digits is 564480, while the sum is 46.

The square root of 2728338517 is about 52233.4999497449. The cubic root of 2728338517 is about 1397.3313989783.

The spelling of 2728338517 in words is "two billion, seven hundred twenty-eight million, three hundred thirty-eight thousand, five hundred seventeen".