17328391 has 2 divisors, whose sum is σ = 17328392. Its totient is φ = 17328390.

The previous prime is 17328379. The next prime is 17328401. The reversal of 17328391 is 19382371.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17328391 - 2⁷ = 17328263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17328791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8664195 + 8664196.

It is an arithmetic number, because the mean of its divisors is an integer number (8664196).

Almost surely, 2^17328391 is an apocalyptic number.

17328391 is a deficient number, since it is larger than the sum of its proper divisors (1).

17328391 is an equidigital number, since it uses as much as digits as its factorization.

17328391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 17328391 is about 4162.7384015813. The cubic root of 17328391 is about 258.7732694733.

The spelling of 17328391 in words is "seventeen million, three hundred twenty-eight thousand, three hundred ninety-one".