38021941 has 2 divisors, whose sum is σ = 38021942. Its totient is φ = 38021940.

The previous prime is 38021939. The next prime is 38021953. The reversal of 38021941 is 14912083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26563716 + 11458225 = 5154^2 + 3385^2 .

It is an emirp because it is prime and its reverse (14912083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38021941 - 2¹ = 38021939 is a prime.

Together with 38021939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38021981) 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, 19010970 + 19010971.

It is an arithmetic number, because the mean of its divisors is an integer number (19010971).

Almost surely, 2^38021941 is an apocalyptic number.

It is an amenable number.

38021941 is a deficient number, since it is larger than the sum of its proper divisors (1).

38021941 is an equidigital number, since it uses as much as digits as its factorization.

38021941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 38021941 is about 6166.1933962535. The cubic root of 38021941 is about 336.2622344604.

The spelling of 38021941 in words is "thirty-eight million, twenty-one thousand, nine hundred forty-one".