28417267 has 2 divisors, whose sum is σ = 28417268. Its totient is φ = 28417266.

The previous prime is 28417247. The next prime is 28417271. The reversal of 28417267 is 76271482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28417267 - 2¹⁹ = 27892979 is a prime.

It is not a weakly prime, because it can be changed into another prime (28417237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14208633 + 14208634.

It is an arithmetic number, because the mean of its divisors is an integer number (14208634).

Almost surely, 2^28417267 is an apocalyptic number.

28417267 is a deficient number, since it is larger than the sum of its proper divisors (1).

28417267 is an equidigital number, since it uses as much as digits as its factorization.

28417267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 28417267 is about 5330.7848390270. The cubic root of 28417267 is about 305.1598803438.

The spelling of 28417267 in words is "twenty-eight million, four hundred seventeen thousand, two hundred sixty-seven".