2728392 has 16 divisors (see below), whose sum is σ = 6821040. Its totient is φ = 909456.

The previous prime is 2728373. The next prime is 2728409. The reversal of 2728392 is 2938272.

2728392 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56818 + ... + 56865.

It is an arithmetic number, because the mean of its divisors is an integer number (426315).

2^2728392 is an apocalyptic number.

It is an amenable number.

2728392 is an abundant number, since it is smaller than the sum of its proper divisors (4092648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2728392 is a wasteful number, since it uses less digits than its factorization.

2728392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113692 (or 113688 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 2728392 is about 1651.7844895748. The cubic root of 2728392 is about 139.7340529442.

The spelling of 2728392 in words is "two million, seven hundred twenty-eight thousand, three hundred ninety-two".