38394919 has 2 divisors, whose sum is σ = 38394920. Its totient is φ = 38394918.

The previous prime is 38394871. The next prime is 38394931. The reversal of 38394919 is 91949383.

38394919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (91949383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38394919 - 2¹⁵ = 38362151 is a prime.

It is a super-2 number, since 2×38394919² = 2948339610033122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38394019) 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, 19197459 + 19197460.

It is an arithmetic number, because the mean of its divisors is an integer number (19197460).

Almost surely, 2^38394919 is an apocalyptic number.

38394919 is a deficient number, since it is larger than the sum of its proper divisors (1).

38394919 is an equidigital number, since it uses as much as digits as its factorization.

38394919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 38394919 is about 6196.3633689447. The cubic root of 38394919 is about 337.3581853207.

The spelling of 38394919 in words is "thirty-eight million, three hundred ninety-four thousand, nine hundred nineteen".