39304039 has 2 divisors, whose sum is σ = 39304040. Its totient is φ = 39304038.

The previous prime is 39304037. The next prime is 39304081. The reversal of 39304039 is 93040393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39304039 - 2¹ = 39304037 is a prime.

Together with 39304037, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 39304039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39304037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19652019 + 19652020.

It is an arithmetic number, because the mean of its divisors is an integer number (19652020).

Almost surely, 2^39304039 is an apocalyptic number.

39304039 is a deficient number, since it is larger than the sum of its proper divisors (1).

39304039 is an equidigital number, since it uses as much as digits as its factorization.

39304039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 39304039 is about 6269.2933413583. The cubic root of 39304039 is about 340.0001124567. Note that the first 3 decimals are identical.

The spelling of 39304039 in words is "thirty-nine million, three hundred four thousand, thirty-nine".