38381975 has 6 divisors (see below), whose sum is σ = 47593680. Its totient is φ = 30705560.

The previous prime is 38381969. The next prime is 38381977. The reversal of 38381975 is 57918383.

It is a happy number.

38381975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38381975 - 2²⁰ = 37333399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38381977) 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 in 5 ways as a sum of consecutive naturals, for example, 767615 + ... + 767664.

It is an arithmetic number, because the mean of its divisors is an integer number (7932280).

Almost surely, 2^38381975 is an apocalyptic number.

38381975 is a deficient number, since it is larger than the sum of its proper divisors (9211705).

38381975 is a wasteful number, since it uses less digits than its factorization.

38381975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535289 (or 1535284 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 38381975 is about 6195.3187972856. The cubic root of 38381975 is about 337.3202701028.

The spelling of 38381975 in words is "thirty-eight million, three hundred eighty-one thousand, nine hundred seventy-five".