38116187 has 2 divisors, whose sum is σ = 38116188. Its totient is φ = 38116186.

The previous prime is 38116171. The next prime is 38116217. The reversal of 38116187 is 78161183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38116187 - 2⁴ = 38116171 is a prime.

It is a super-2 number, since 2×38116187² = 2905687422837938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38116787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19058093 + 19058094.

It is an arithmetic number, because the mean of its divisors is an integer number (19058094).

Almost surely, 2^38116187 is an apocalyptic number.

38116187 is a deficient number, since it is larger than the sum of its proper divisors (1).

38116187 is an equidigital number, since it uses as much as digits as its factorization.

38116187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The square root of 38116187 is about 6173.8308204874. The cubic root of 38116187 is about 336.5398392763.

The spelling of 38116187 in words is "thirty-eight million, one hundred sixteen thousand, one hundred eighty-seven".