38963291 has 2 divisors, whose sum is σ = 38963292. Its totient is φ = 38963290.

The previous prime is 38963273. The next prime is 38963293. The reversal of 38963291 is 19236983.

It is a strong prime.

It is an emirp because it is prime and its reverse (19236983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38963291 - 2⁶ = 38963227 is a prime.

Together with 38963293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38963293) 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 as a sum of consecutive naturals, namely, 19481645 + 19481646.

It is an arithmetic number, because the mean of its divisors is an integer number (19481646).

Almost surely, 2^38963291 is an apocalyptic number.

38963291 is a deficient number, since it is larger than the sum of its proper divisors (1).

38963291 is an equidigital number, since it uses as much as digits as its factorization.

38963291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The square root of 38963291 is about 6242.0582342686. The cubic root of 38963291 is about 339.0147109171.

The spelling of 38963291 in words is "thirty-eight million, nine hundred sixty-three thousand, two hundred ninety-one".