28104701 has 2 divisors, whose sum is σ = 28104702. Its totient is φ = 28104700.

The previous prime is 28104679. The next prime is 28104733. The reversal of 28104701 is 10740182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25512601 + 2592100 = 5051^2 + 1610^2 .

It is a cyclic number.

It is not a de Polignac number, because 28104701 - 2¹⁴ = 28088317 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28104761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14052350 + 14052351.

It is an arithmetic number, because the mean of its divisors is an integer number (14052351).

Almost surely, 2^28104701 is an apocalyptic number.

It is an amenable number.

28104701 is a deficient number, since it is larger than the sum of its proper divisors (1).

28104701 is an equidigital number, since it uses as much as digits as its factorization.

28104701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 28104701 is about 5301.3867053819. The cubic root of 28104701 is about 304.0369191369.

Adding to 28104701 its reverse (10740182), we get a palindrome (38844883).

The spelling of 28104701 in words is "twenty-eight million, one hundred four thousand, seven hundred one".