38762881 has 2 divisors, whose sum is σ = 38762882. Its totient is φ = 38762880.

The previous prime is 38762863. The next prime is 38762887. The reversal of 38762881 is 18826783.

It is a happy number.

38762881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 8071281 = 5540^2 + 2841^2 .

It is an emirp because it is prime and its reverse (18826783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38762881 - 2¹⁷ = 38631809 is a prime.

It is a super-2 number, since 2×38762881² = 3005121886840322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38762887) 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, 19381440 + 19381441.

It is an arithmetic number, because the mean of its divisors is an integer number (19381441).

Almost surely, 2^38762881 is an apocalyptic number.

It is an amenable number.

38762881 is a deficient number, since it is larger than the sum of its proper divisors (1).

38762881 is an equidigital number, since it uses as much as digits as its factorization.

38762881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 38762881 is about 6225.9843398454. The cubic root of 38762881 is about 338.4324640699.

The spelling of 38762881 in words is "thirty-eight million, seven hundred sixty-two thousand, eight hundred eighty-one".