2728446 has 32 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 772896.

The previous prime is 2728409. The next prime is 2728447. The reversal of 2728446 is 6448272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6820 + ... + 7208.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^2728446 is an apocalyptic number.

2728446 is an abundant number, since it is smaller than the sum of its proper divisors (3561474).

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

2728446 is a wasteful number, since it uses less digits than its factorization.

2728446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 21504, while the sum is 33.

The square root of 2728446 is about 1651.8008354520. The cubic root of 2728446 is about 139.7349748045.

The spelling of 2728446 in words is "two million, seven hundred twenty-eight thousand, four hundred forty-six".