28083199 has 2 divisors, whose sum is σ = 28083200. Its totient is φ = 28083198.

The previous prime is 28083193. The next prime is 28083203. The reversal of 28083199 is 99138082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28083199 - 2³ = 28083191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28083191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14041599 + 14041600.

It is an arithmetic number, because the mean of its divisors is an integer number (14041600).

Almost surely, 2^28083199 is an apocalyptic number.

28083199 is a deficient number, since it is larger than the sum of its proper divisors (1).

28083199 is an equidigital number, since it uses as much as digits as its factorization.

28083199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 28083199 is about 5299.3583573863. The cubic root of 28083199 is about 303.9593630758.

It can be divided in two parts, 28083 and 199, that added together give a palindrome (28282).

The spelling of 28083199 in words is "twenty-eight million, eighty-three thousand, one hundred ninety-nine".