38109117 has 8 divisors (see below), whose sum is σ = 53486560. Its totient is φ = 24068880.

The previous prime is 38109109. The next prime is 38109167. The reversal of 38109117 is 71190183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38109117 - 2³ = 38109109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38109107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334234 + ... + 334347.

It is an arithmetic number, because the mean of its divisors is an integer number (6685820).

Almost surely, 2^38109117 is an apocalyptic number.

It is an amenable number.

38109117 is a deficient number, since it is larger than the sum of its proper divisors (15377443).

38109117 is a wasteful number, since it uses less digits than its factorization.

38109117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668603.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 38109117 is about 6173.2582158857. The cubic root of 38109117 is about 336.5190302362.

It can be divided in two parts, 38109 and 117, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 38109117 in words is "thirty-eight million, one hundred nine thousand, one hundred seventeen".