28606471 has 2 divisors, whose sum is σ = 28606472. Its totient is φ = 28606470.

The previous prime is 28606463. The next prime is 28606477. The reversal of 28606471 is 17460682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28606471 - 2³ = 28606463 is a prime.

It is a super-3 number, since 3×28606471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28606477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14303235 + 14303236.

It is an arithmetic number, because the mean of its divisors is an integer number (14303236).

Almost surely, 2^28606471 is an apocalyptic number.

28606471 is a deficient number, since it is larger than the sum of its proper divisors (1).

28606471 is an equidigital number, since it uses as much as digits as its factorization.

28606471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28606471 is about 5348.5017528276. The cubic root of 28606471 is about 305.8356408705.

The spelling of 28606471 in words is "twenty-eight million, six hundred six thousand, four hundred seventy-one".