38542939 has 2 divisors, whose sum is σ = 38542940. Its totient is φ = 38542938.

The previous prime is 38542879. The next prime is 38542957. The reversal of 38542939 is 93924583.

38542939 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 a cyclic number.

It is not a de Polignac number, because 38542939 - 2¹¹ = 38540891 is a prime.

It is a super-3 number, since 3×38542939³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38542895 and 38542904.

It is not a weakly prime, because it can be changed into another prime (38542969) 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, 19271469 + 19271470.

It is an arithmetic number, because the mean of its divisors is an integer number (19271470).

Almost surely, 2^38542939 is an apocalyptic number.

38542939 is a deficient number, since it is larger than the sum of its proper divisors (1).

38542939 is an equidigital number, since it uses as much as digits as its factorization.

38542939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 38542939 is about 6208.2959819905. The cubic root of 38542939 is about 337.7911568895.

The spelling of 38542939 in words is "thirty-eight million, five hundred forty-two thousand, nine hundred thirty-nine".