28345327 has 2 divisors, whose sum is σ = 28345328. Its totient is φ = 28345326.

The previous prime is 28345241. The next prime is 28345333. The reversal of 28345327 is 72354382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28345327 - 2¹¹ = 28343279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28345292 and 28345301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28345357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14172663 + 14172664.

It is an arithmetic number, because the mean of its divisors is an integer number (14172664).

Almost surely, 2^28345327 is an apocalyptic number.

28345327 is a deficient number, since it is larger than the sum of its proper divisors (1).

28345327 is an equidigital number, since it uses as much as digits as its factorization.

28345327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 28345327 is about 5324.0329638348. The cubic root of 28345327 is about 304.9021526135.

The spelling of 28345327 in words is "twenty-eight million, three hundred forty-five thousand, three hundred twenty-seven".