2728163 has 2 divisors, whose sum is σ = 2728164. Its totient is φ = 2728162.

The previous prime is 2728129. The next prime is 2728169. The reversal of 2728163 is 3618272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2728163 - 2¹² = 2724067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2728169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364081 + 1364082.

It is an arithmetic number, because the mean of its divisors is an integer number (1364082).

2^2728163 is an apocalyptic number.

2728163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728163 is an equidigital number, since it uses as much as digits as its factorization.

2728163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 2728163 is about 1651.7151691499. The cubic root of 2728163 is about 139.7301434383.

The spelling of 2728163 in words is "two million, seven hundred twenty-eight thousand, one hundred sixty-three".