38542879 has 2 divisors, whose sum is σ = 38542880. Its totient is φ = 38542878.

The previous prime is 38542841. The next prime is 38542939. The reversal of 38542879 is 97824583.

38542879 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38542879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38542079) 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, 19271439 + 19271440.

It is an arithmetic number, because the mean of its divisors is an integer number (19271440).

Almost surely, 2^38542879 is an apocalyptic number.

38542879 is a deficient number, since it is larger than the sum of its proper divisors (1).

38542879 is an equidigital number, since it uses as much as digits as its factorization.

38542879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 38542879 is about 6208.2911497448. The cubic root of 38542879 is about 337.7909816090.

It can be divided in two parts, 385 and 42879, that added together give a square (43264 = 208²).

The spelling of 38542879 in words is "thirty-eight million, five hundred forty-two thousand, eight hundred seventy-nine".