38885923 has 2 divisors, whose sum is σ = 38885924. Its totient is φ = 38885922.

The previous prime is 38885921. The next prime is 38885947. The reversal of 38885923 is 32958883.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32958883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38885923 - 2¹ = 38885921 is a prime.

Together with 38885921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38885921) 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, 19442961 + 19442962.

It is an arithmetic number, because the mean of its divisors is an integer number (19442962).

Almost surely, 2^38885923 is an apocalyptic number.

38885923 is a deficient number, since it is larger than the sum of its proper divisors (1).

38885923 is an equidigital number, since it uses as much as digits as its factorization.

38885923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 38885923 is about 6235.8578399447. The cubic root of 38885923 is about 338.7901724755.

The spelling of 38885923 in words is "thirty-eight million, eight hundred eighty-five thousand, nine hundred twenty-three".