2728801 has 2 divisors, whose sum is σ = 2728802. Its totient is φ = 2728800.

The previous prime is 2728777. The next prime is 2728807. The reversal of 2728801 is 1088272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2483776 + 245025 = 1576^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2728801 - 2⁵ = 2728769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2728801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2728807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364400 + 1364401.

It is an arithmetic number, because the mean of its divisors is an integer number (1364401).

2^2728801 is an apocalyptic number.

It is an amenable number.

2728801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728801 is an equidigital number, since it uses as much as digits as its factorization.

2728801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2728801 is about 1651.9082904326. The cubic root of 2728801 is about 139.7410348798.

The spelling of 2728801 in words is "two million, seven hundred twenty-eight thousand, eight hundred one".