38680805 has 4 divisors (see below), whose sum is σ = 46416972. Its totient is φ = 30944640.

The previous prime is 38680793. The next prime is 38680819. The reversal of 38680805 is 50808683.

It is a happy number.

38680805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26388769 + 12292036 = 5137^2 + 3506^2 .

It is not a de Polignac number, because 38680805 - 2¹⁴ = 38664421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3868076 + ... + 3868085.

It is an arithmetic number, because the mean of its divisors is an integer number (11604243).

Almost surely, 2^38680805 is an apocalyptic number.

It is an amenable number.

38680805 is a deficient number, since it is larger than the sum of its proper divisors (7736167).

38680805 is an equidigital number, since it uses as much as digits as its factorization.

38680805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736166.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 38680805 is about 6219.3894394868. The cubic root of 38680805 is about 338.1934311746.

The spelling of 38680805 in words is "thirty-eight million, six hundred eighty thousand, eight hundred five".