39068321 has 2 divisors, whose sum is σ = 39068322. Its totient is φ = 39068320.

The previous prime is 39068299. The next prime is 39068333. The reversal of 39068321 is 12386093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38887696 + 180625 = 6236^2 + 425^2 .

It is an emirp because it is prime and its reverse (12386093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39068321 - 2⁶ = 39068257 is a prime.

It is equal to p_2380289 and since 39068321 and 2380289 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (39062321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19534160 + 19534161.

It is an arithmetic number, because the mean of its divisors is an integer number (19534161).

Almost surely, 2^39068321 is an apocalyptic number.

It is an amenable number.

39068321 is a deficient number, since it is larger than the sum of its proper divisors (1).

39068321 is an equidigital number, since it uses as much as digits as its factorization.

39068321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 39068321 is about 6250.4656626527. The cubic root of 39068321 is about 339.3190552372.

The spelling of 39068321 in words is "thirty-nine million, sixty-eight thousand, three hundred twenty-one".