39066393 has 16 divisors (see below), whose sum is σ = 54129600. Its totient is φ = 25032000.

The previous prime is 39066361. The next prime is 39066421. The reversal of 39066393 is 39366093.

It is not a de Polignac number, because 39066393 - 2⁵ = 39066361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39066593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20943 + ... + 22731.

It is an arithmetic number, because the mean of its divisors is an integer number (3383100).

Almost surely, 2^39066393 is an apocalyptic number.

It is an amenable number.

39066393 is a deficient number, since it is larger than the sum of its proper divisors (15063207).

39066393 is a wasteful number, since it uses less digits than its factorization.

39066393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 78732, while the sum is 39.

The square root of 39066393 is about 6250.3114322408. The cubic root of 39066393 is about 339.3134734096.

The spelling of 39066393 in words is "thirty-nine million, sixty-six thousand, three hundred ninety-three".