38681441 has 2 divisors, whose sum is σ = 38681442. Its totient is φ = 38681440.

The previous prime is 38681437. The next prime is 38681449. The reversal of 38681441 is 14418683.

38681441 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., 28313041 + 10368400 = 5321^2 + 3220^2 .

It is a cyclic number.

It is not a de Polignac number, because 38681441 - 2² = 38681437 is a prime.

It is not a weakly prime, because it can be changed into another prime (38681449) 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, 19340720 + 19340721.

It is an arithmetic number, because the mean of its divisors is an integer number (19340721).

Almost surely, 2^38681441 is an apocalyptic number.

It is an amenable number.

38681441 is a deficient number, since it is larger than the sum of its proper divisors (1).

38681441 is an equidigital number, since it uses as much as digits as its factorization.

38681441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 38681441 is about 6219.4405696976. The cubic root of 38681441 is about 338.1952847196.

The spelling of 38681441 in words is "thirty-eight million, six hundred eighty-one thousand, four hundred forty-one".