38040187 has 2 divisors, whose sum is σ = 38040188. Its totient is φ = 38040186.

The previous prime is 38040179. The next prime is 38040217. The reversal of 38040187 is 78104083.

It is a happy number.

38040187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38040187 - 2³ = 38040179 is a prime.

It is not a weakly prime, because it can be changed into another prime (38040127) 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, 19020093 + 19020094.

It is an arithmetic number, because the mean of its divisors is an integer number (19020094).

Almost surely, 2^38040187 is an apocalyptic number.

38040187 is a deficient number, since it is larger than the sum of its proper divisors (1).

38040187 is an equidigital number, since it uses as much as digits as its factorization.

38040187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 38040187 is about 6167.6727377513. The cubic root of 38040187 is about 336.3160144569.

The spelling of 38040187 in words is "thirty-eight million, forty thousand, one hundred eighty-seven".