38506903 has 2 divisors, whose sum is σ = 38506904. Its totient is φ = 38506902.

The previous prime is 38506883. The next prime is 38506927. The reversal of 38506903 is 30960583.

38506903 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-38506903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38506943) 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, 19253451 + 19253452.

It is an arithmetic number, because the mean of its divisors is an integer number (19253452).

Almost surely, 2^38506903 is an apocalyptic number.

38506903 is a deficient number, since it is larger than the sum of its proper divisors (1).

38506903 is an equidigital number, since it uses as much as digits as its factorization.

38506903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 38506903 is about 6205.3930576556. The cubic root of 38506903 is about 337.6858506341.

The spelling of 38506903 in words is "thirty-eight million, five hundred six thousand, nine hundred three".