38427805 has 16 divisors (see below), whose sum is σ = 49929264. Its totient is φ = 28224000.

The previous prime is 38427799. The next prime is 38427833. The reversal of 38427805 is 50872483.

38427805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 210681 + 38217124 = 459^2 + 6182^2 .

It is not a de Polignac number, because 38427805 - 2²¹ = 36330653 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 15 ways as a sum of consecutive naturals, for example, 11305 + ... + 14305.

It is an arithmetic number, because the mean of its divisors is an integer number (3120579).

Almost surely, 2^38427805 is an apocalyptic number.

It is an amenable number.

38427805 is a deficient number, since it is larger than the sum of its proper divisors (11501459).

38427805 is a wasteful number, since it uses less digits than its factorization.

38427805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 38427805 is about 6199.0164542450. The cubic root of 38427805 is about 337.4544757984.

The spelling of 38427805 in words is "thirty-eight million, four hundred twenty-seven thousand, eight hundred five".