38249219 has 2 divisors, whose sum is σ = 38249220. Its totient is φ = 38249218.

The previous prime is 38249213. The next prime is 38249221. The reversal of 38249219 is 91294283.

It is a strong prime.

It is an emirp because it is prime and its reverse (91294283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38249219 - 2²⁰ = 37200643 is a prime.

It is a super-2 number, since 2×38249219² = 2926005508219922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 38249221, 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 (38249213) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19124609 + 19124610.

It is an arithmetic number, because the mean of its divisors is an integer number (19124610).

Almost surely, 2^38249219 is an apocalyptic number.

38249219 is a deficient number, since it is larger than the sum of its proper divisors (1).

38249219 is an equidigital number, since it uses as much as digits as its factorization.

38249219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 38249219 is about 6184.5952979965. The cubic root of 38249219 is about 336.9309118235.

The spelling of 38249219 in words is "thirty-eight million, two hundred forty-nine thousand, two hundred nineteen".