28416203 has 2 divisors, whose sum is σ = 28416204. Its totient is φ = 28416202.

The previous prime is 28416173. The next prime is 28416217. The reversal of 28416203 is 30261482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28416203 - 2⁶ = 28416139 is a prime.

It is not a weakly prime, because it can be changed into another prime (28416263) 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, 14208101 + 14208102.

It is an arithmetic number, because the mean of its divisors is an integer number (14208102).

Almost surely, 2^28416203 is an apocalyptic number.

28416203 is a deficient number, since it is larger than the sum of its proper divisors (1).

28416203 is an equidigital number, since it uses as much as digits as its factorization.

28416203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28416203 is about 5330.6850404052. The cubic root of 28416203 is about 305.1560716950.

Adding to 28416203 its reverse (30261482), we get a palindrome (58677685).

The spelling of 28416203 in words is "twenty-eight million, four hundred sixteen thousand, two hundred three".