38381941 has 8 divisors (see below), whose sum is σ = 41461784. Its totient is φ = 35320320.

The previous prime is 38381933. The next prime is 38381969. The reversal of 38381941 is 14918383.

38381941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

38381941 is a nontrivial binomial coefficient, being equal to C(8762, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 1110916 + 37271025 = 1054^2 + 6105^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38381941 - 2³ = 38381933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38381941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38381921) 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 7 ways as a sum of consecutive naturals, for example, 1 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (5182723).

Almost surely, 2^38381941 is an apocalyptic number.

38381941 is the 8761-st triangular number and also the 4381-st hexagonal number.

38381941 is the 2921-st centered nonagonal number.

It is an amenable number.

38381941 is a deficient number, since it is larger than the sum of its proper divisors (3079843).

38381941 is a wasteful number, since it uses less digits than its factorization.

38381941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111.

The product of its digits is 20736, while the sum is 37.

The square root of 38381941 is about 6195.3160532777. The cubic root of 38381941 is about 337.3201704997.

The spelling of 38381941 in words is "thirty-eight million, three hundred eighty-one thousand, nine hundred forty-one".