2728436 has 24 divisors (see below), whose sum is σ = 5063520. Its totient is φ = 1284192.

The previous prime is 2728409. The next prime is 2728447. The reversal of 2728436 is 6348272.

2728436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁵ + 7² + 2⁷ + 8 + 4¹⁰ + 3³ + 6⁸ .

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, 4715 + ... + 5261.

It is an arithmetic number, because the mean of its divisors is an integer number (210980).

2^2728436 is an apocalyptic number.

It is an amenable number.

2728436 is a deficient number, since it is larger than the sum of its proper divisors (2335084).

2728436 is a wasteful number, since it uses less digits than its factorization.

2728436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2728436 is about 1651.7978084499. The cubic root of 2728436 is about 139.7348040906.

The spelling of 2728436 in words is "two million, seven hundred twenty-eight thousand, four hundred thirty-six".