19328039 has 2 divisors, whose sum is σ = 19328040. Its totient is φ = 19328038.

The previous prime is 19328021. The next prime is 19328069. The reversal of 19328039 is 93082391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19328039 - 2⁸ = 19327783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19328009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9664019 + 9664020.

It is an arithmetic number, because the mean of its divisors is an integer number (9664020).

Almost surely, 2^19328039 is an apocalyptic number.

19328039 is a deficient number, since it is larger than the sum of its proper divisors (1).

19328039 is an equidigital number, since it uses as much as digits as its factorization.

19328039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 19328039 is about 4396.3665679741. The cubic root of 19328039 is about 268.3670945865.

The spelling of 19328039 in words is "nineteen million, three hundred twenty-eight thousand, thirty-nine".