2728338 has 8 divisors (see below), whose sum is σ = 5456688. Its totient is φ = 909444.

The previous prime is 2728331. The next prime is 2728351. The reversal of 2728338 is 8338272.

It is a happy number.

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

2728338 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2728299 and 2728308.

It is not an unprimeable number, because it can be changed into a prime (2728331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227356 + ... + 227367.

It is an arithmetic number, because the mean of its divisors is an integer number (682086).

2^2728338 is an apocalyptic number.

2728338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2728338 is a wasteful number, since it uses less digits than its factorization.

2728338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454728.

The product of its digits is 16128, while the sum is 33.

The square root of 2728338 is about 1651.7681435359. The cubic root of 2728338 is about 139.7331310717.

The spelling of 2728338 in words is "two million, seven hundred twenty-eight thousand, three hundred thirty-eight".