28608199 has 2 divisors, whose sum is σ = 28608200. Its totient is φ = 28608198.

The previous prime is 28608193. The next prime is 28608211. The reversal of 28608199 is 99180682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28608199 - 2²¹ = 26511047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28608193) 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 as a sum of consecutive naturals, namely, 14304099 + 14304100.

It is an arithmetic number, because the mean of its divisors is an integer number (14304100).

Almost surely, 2^28608199 is an apocalyptic number.

28608199 is a deficient number, since it is larger than the sum of its proper divisors (1).

28608199 is an equidigital number, since it uses as much as digits as its factorization.

28608199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 28608199 is about 5348.6632909541. The cubic root of 28608199 is about 305.8417988402.

The spelling of 28608199 in words is "twenty-eight million, six hundred eight thousand, one hundred ninety-nine".