28794011 has 2 divisors, whose sum is σ = 28794012. Its totient is φ = 28794010.

The previous prime is 28793993. The next prime is 28794019. The reversal of 28794011 is 11049782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28794011 is a prime.

It is not a weakly prime, because it can be changed into another prime (28794019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14397005 + 14397006.

It is an arithmetic number, because the mean of its divisors is an integer number (14397006).

Almost surely, 2^28794011 is an apocalyptic number.

28794011 is a deficient number, since it is larger than the sum of its proper divisors (1).

28794011 is an equidigital number, since it uses as much as digits as its factorization.

28794011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 28794011 is about 5366.0051248578. The cubic root of 28794011 is about 306.5025241363.

The spelling of 28794011 in words is "twenty-eight million, seven hundred ninety-four thousand, eleven".