39293393 has 2 divisors, whose sum is σ = 39293394. Its totient is φ = 39293392.

The previous prime is 39293339. The next prime is 39293413. The reversal of 39293393 is 39339293.

39293393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (39293339) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 2666689 = 6052^2 + 1633^2 .

It is a cyclic number.

It is not a de Polignac number, because 39293393 - 2⁶ = 39293329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39293393.

It is not a weakly prime, because it can be changed into another prime (39293323) 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, 19646696 + 19646697.

It is an arithmetic number, because the mean of its divisors is an integer number (19646697).

Almost surely, 2^39293393 is an apocalyptic number.

It is an amenable number.

39293393 is a deficient number, since it is larger than the sum of its proper divisors (1).

39293393 is an equidigital number, since it uses as much as digits as its factorization.

39293393 is an odious number, because the sum of its binary digits is odd.

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

The square root of 39293393 is about 6268.4442248456. Note that the first 3 decimals coincide. The cubic root of 39293393 is about 339.9694118964.

The spelling of 39293393 in words is "thirty-nine million, two hundred ninety-three thousand, three hundred ninety-three".