2728365 has 8 divisors (see below), whose sum is σ = 4365408. Its totient is φ = 1455120.

The previous prime is 2728357. The next prime is 2728373. The reversal of 2728365 is 5638272.

2728365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2728357) and next prime (2728373).

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

It is not a de Polignac number, because 2728365 - 2³ = 2728357 is a prime.

It is a d-powerful number, because it can be written as 2⁶ + 7² + 2²⁰ + 8 + 3³ + 6⁸ + 5² .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90931 + ... + 90960.

It is an arithmetic number, because the mean of its divisors is an integer number (545676).

2^2728365 is an apocalyptic number.

It is an amenable number.

2728365 is a deficient number, since it is larger than the sum of its proper divisors (1637043).

2728365 is a wasteful number, since it uses less digits than its factorization.

2728365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181899.

The product of its digits is 20160, while the sum is 33.

The square root of 2728365 is about 1651.7763165756. The cubic root of 2728365 is about 139.7335920095.

The spelling of 2728365 in words is "two million, seven hundred twenty-eight thousand, three hundred sixty-five".