38381933 has 2 divisors, whose sum is σ = 38381934. Its totient is φ = 38381932.

The previous prime is 38381927. The next prime is 38381969. The reversal of 38381933 is 33918383.

38381933 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., 27741289 + 10640644 = 5267^2 + 3262^2 .

It is a cyclic number.

It is not a de Polignac number, because 38381933 - 2²⁴ = 21604717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38381923) 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, 19190966 + 19190967.

It is an arithmetic number, because the mean of its divisors is an integer number (19190967).

Almost surely, 2^38381933 is an apocalyptic number.

It is an amenable number.

38381933 is a deficient number, since it is larger than the sum of its proper divisors (1).

38381933 is an equidigital number, since it uses as much as digits as its factorization.

38381933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 38381933 is about 6195.3154076286. The cubic root of 38381933 is about 337.3201470636.

The spelling of 38381933 in words is "thirty-eight million, three hundred eighty-one thousand, nine hundred thirty-three".