38118937 has 2 divisors, whose sum is σ = 38118938. Its totient is φ = 38118936.

The previous prime is 38118929. The next prime is 38118989. The reversal of 38118937 is 73981183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33362176 + 4756761 = 5776^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 38118937 - 2³ = 38118929 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38118937.

It is not a weakly prime, because it can be changed into another prime (38118637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19059468 + 19059469.

It is an arithmetic number, because the mean of its divisors is an integer number (19059469).

Almost surely, 2^38118937 is an apocalyptic number.

It is an amenable number.

38118937 is a deficient number, since it is larger than the sum of its proper divisors (1).

38118937 is an equidigital number, since it uses as much as digits as its factorization.

38118937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 40.

The square root of 38118937 is about 6174.0535307041. The cubic root of 38118937 is about 336.5479326209.

The spelling of 38118937 in words is "thirty-eight million, one hundred eighteen thousand, nine hundred thirty-seven".