38738641 has 2 divisors, whose sum is σ = 38738642. Its totient is φ = 38738640.

The previous prime is 38738639. The next prime is 38738653. The reversal of 38738641 is 14683783.

38738641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 484416 = 6185^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 38738641 - 2¹ = 38738639 is a prime.

Together with 38738639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 38738594 and 38738603.

It is not a weakly prime, because it can be changed into another prime (38738681) 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, 19369320 + 19369321.

It is an arithmetic number, because the mean of its divisors is an integer number (19369321).

Almost surely, 2^38738641 is an apocalyptic number.

It is an amenable number.

38738641 is a deficient number, since it is larger than the sum of its proper divisors (1).

38738641 is an equidigital number, since it uses as much as digits as its factorization.

38738641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 38738641 is about 6224.0373552864. The cubic root of 38738641 is about 338.3619041826.

The spelling of 38738641 in words is "thirty-eight million, seven hundred thirty-eight thousand, six hundred forty-one".