38108857 has 2 divisors, whose sum is σ = 38108858. Its totient is φ = 38108856.

The previous prime is 38108843. The next prime is 38108881. The reversal of 38108857 is 75880183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 212521 = 6156^2 + 461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38108857 is a prime.

It is not a weakly prime, because it can be changed into another prime (38108887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19054428 + 19054429.

It is an arithmetic number, because the mean of its divisors is an integer number (19054429).

Almost surely, 2^38108857 is an apocalyptic number.

It is an amenable number.

38108857 is a deficient number, since it is larger than the sum of its proper divisors (1).

38108857 is an equidigital number, since it uses as much as digits as its factorization.

38108857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 38108857 is about 6173.2371572782. The cubic root of 38108857 is about 336.5182649325.

The spelling of 38108857 in words is "thirty-eight million, one hundred eight thousand, eight hundred fifty-seven".