38965393 has 2 divisors, whose sum is σ = 38965394. Its totient is φ = 38965392.

The previous prime is 38965363. The next prime is 38965469. The reversal of 38965393 is 39356983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21224449 + 17740944 = 4607^2 + 4212^2 .

It is a cyclic number.

It is not a de Polignac number, because 38965393 - 2²⁵ = 5410961 is a prime.

It is not a weakly prime, because it can be changed into another prime (38965363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19482696 + 19482697.

It is an arithmetic number, because the mean of its divisors is an integer number (19482697).

Almost surely, 2^38965393 is an apocalyptic number.

It is an amenable number.

38965393 is a deficient number, since it is larger than the sum of its proper divisors (1).

38965393 is an equidigital number, since it uses as much as digits as its factorization.

38965393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 38965393 is about 6242.2266059476. The cubic root of 38965393 is about 339.0208072203.

The spelling of 38965393 in words is "thirty-eight million, nine hundred sixty-five thousand, three hundred ninety-three".