28334269 has 2 divisors, whose sum is σ = 28334270. Its totient is φ = 28334268.

The previous prime is 28334249. The next prime is 28334281. The reversal of 28334269 is 96243382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25130169 + 3204100 = 5013^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 28334269 - 2¹⁵ = 28301501 is a prime.

It is a super-2 number, since 2×28334269² = 1605661599528722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28334209) 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, 14167134 + 14167135.

It is an arithmetic number, because the mean of its divisors is an integer number (14167135).

Almost surely, 2^28334269 is an apocalyptic number.

It is an amenable number.

28334269 is a deficient number, since it is larger than the sum of its proper divisors (1).

28334269 is an equidigital number, since it uses as much as digits as its factorization.

28334269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 28334269 is about 5322.9943640774. The cubic root of 28334269 is about 304.8624982637.

The spelling of 28334269 in words is "twenty-eight million, three hundred thirty-four thousand, two hundred sixty-nine".