38140873 has 2 divisors, whose sum is σ = 38140874. Its totient is φ = 38140872.

The previous prime is 38140849. The next prime is 38140903. The reversal of 38140873 is 37804183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26904969 + 11235904 = 5187^2 + 3352^2 .

It is an emirp because it is prime and its reverse (37804183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38140873 - 2⁵ = 38140841 is a prime.

It is not a weakly prime, because it can be changed into another prime (38140813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19070436 + 19070437.

It is an arithmetic number, because the mean of its divisors is an integer number (19070437).

Almost surely, 2^38140873 is an apocalyptic number.

It is an amenable number.

38140873 is a deficient number, since it is larger than the sum of its proper divisors (1).

38140873 is an equidigital number, since it uses as much as digits as its factorization.

38140873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 38140873 is about 6175.8297418242. The cubic root of 38140873 is about 336.6124770911.

The spelling of 38140873 in words is "thirty-eight million, one hundred forty thousand, eight hundred seventy-three".