28316417 has 2 divisors, whose sum is σ = 28316418. Its totient is φ = 28316416.

The previous prime is 28316371. The next prime is 28316429. The reversal of 28316417 is 71461382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15649936 + 12666481 = 3956^2 + 3559^2 .

It is a cyclic number.

It is not a de Polignac number, because 28316417 - 2⁸ = 28316161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28316437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158208 + 14158209.

It is an arithmetic number, because the mean of its divisors is an integer number (14158209).

Almost surely, 2^28316417 is an apocalyptic number.

It is an amenable number.

28316417 is a deficient number, since it is larger than the sum of its proper divisors (1).

28316417 is an equidigital number, since it uses as much as digits as its factorization.

28316417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 28316417 is about 5321.3172241467. The cubic root of 28316417 is about 304.7984586289.

Adding to 28316417 its reverse (71461382), we get a palindrome (99777799).

The spelling of 28316417 in words is "twenty-eight million, three hundred sixteen thousand, four hundred seventeen".