38687227 has 2 divisors, whose sum is σ = 38687228. Its totient is φ = 38687226.

The previous prime is 38687203. The next prime is 38687269. The reversal of 38687227 is 72278683.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38687227 is a prime.

It is not a weakly prime, because it can be changed into another prime (38687927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19343613 + 19343614.

It is an arithmetic number, because the mean of its divisors is an integer number (19343614).

Almost surely, 2^38687227 is an apocalyptic number.

38687227 is a deficient number, since it is larger than the sum of its proper divisors (1).

38687227 is an equidigital number, since it uses as much as digits as its factorization.

38687227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 38687227 is about 6219.9057066808. The cubic root of 38687227 is about 338.2121463834.

The spelling of 38687227 in words is "thirty-eight million, six hundred eighty-seven thousand, two hundred twenty-seven".