38448719 has 2 divisors, whose sum is σ = 38448720. Its totient is φ = 38448718.

The previous prime is 38448689. The next prime is 38448721. The reversal of 38448719 is 91784483.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38448719 is a prime.

It is a super-2 number, since 2×38448719² = 2956607985481922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 38448721, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38448719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38448749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19224359 + 19224360.

It is an arithmetic number, because the mean of its divisors is an integer number (19224360).

Almost surely, 2^38448719 is an apocalyptic number.

38448719 is a deficient number, since it is larger than the sum of its proper divisors (1).

38448719 is an equidigital number, since it uses as much as digits as its factorization.

38448719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 38448719 is about 6200.7031052938. The cubic root of 38448719 is about 337.5156835876.

The spelling of 38448719 in words is "thirty-eight million, four hundred forty-eight thousand, seven hundred nineteen".