2728495 has 32 divisors (see below), whose sum is σ = 4308480. Its totient is φ = 1607040.

The previous prime is 2728471. The next prime is 2728499. The reversal of 2728495 is 5948272.

2728495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2728495 - 2¹³ = 2720303 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728499) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7129 + ... + 7501.

It is an arithmetic number, because the mean of its divisors is an integer number (134640).

2^2728495 is an apocalyptic number.

2728495 is the 1045-th heptagonal number.

2728495 is a deficient number, since it is larger than the sum of its proper divisors (1579985).

2728495 is a wasteful number, since it uses less digits than its factorization.

2728495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 40320, while the sum is 37.

The square root of 2728495 is about 1651.8156676821. The cubic root of 2728495 is about 139.7358112969.

It can be divided in two parts, 2728 and 495, that added together give a palindrome (3223).

The spelling of 2728495 in words is "two million, seven hundred twenty-eight thousand, four hundred ninety-five".