28347467 has 2 divisors, whose sum is σ = 28347468. Its totient is φ = 28347466.

The previous prime is 28347463. The next prime is 28347469. The reversal of 28347467 is 76474382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28347467 - 2² = 28347463 is a prime.

Together with 28347469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28347463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14173733 + 14173734.

It is an arithmetic number, because the mean of its divisors is an integer number (14173734).

Almost surely, 2^28347467 is an apocalyptic number.

28347467 is a deficient number, since it is larger than the sum of its proper divisors (1).

28347467 is an equidigital number, since it uses as much as digits as its factorization.

28347467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 41.

The square root of 28347467 is about 5324.2339355066. The cubic root of 28347467 is about 304.9098255325.

It can be divided in two parts, 2834 and 7467, that added together give a palindrome (10301).

The spelling of 28347467 in words is "twenty-eight million, three hundred forty-seven thousand, four hundred sixty-seven".