39329393 has 2 divisors, whose sum is σ = 39329394. Its totient is φ = 39329392.

The previous prime is 39329387. The next prime is 39329413. The reversal of 39329393 is 39392393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 976144 = 6193^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 39329393 - 2⁸ = 39329137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39329393.

It is not a weakly prime, because it can be changed into another prime (39329363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19664696 + 19664697.

It is an arithmetic number, because the mean of its divisors is an integer number (19664697).

Almost surely, 2^39329393 is an apocalyptic number.

It is an amenable number.

39329393 is a deficient number, since it is larger than the sum of its proper divisors (1).

39329393 is an equidigital number, since it uses as much as digits as its factorization.

39329393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118098, while the sum is 41.

The square root of 39329393 is about 6271.3150933437. The cubic root of 39329393 is about 340.0732051137.

The spelling of 39329393 in words is "thirty-nine million, three hundred twenty-nine thousand, three hundred ninety-three".