38117099 has 4 divisors (see below), whose sum is σ = 38395464. Its totient is φ = 37838736.

The previous prime is 38117089. The next prime is 38117119. The reversal of 38117099 is 99071183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99071183 = 43 ⋅2303981.

It is a cyclic number.

It is not a de Polignac number, because 38117099 - 2⁴ = 38117083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38117029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138977 + ... + 139250.

It is an arithmetic number, because the mean of its divisors is an integer number (9598866).

Almost surely, 2^38117099 is an apocalyptic number.

38117099 is a deficient number, since it is larger than the sum of its proper divisors (278365).

38117099 is a wasteful number, since it uses less digits than its factorization.

38117099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278364.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 38117099 is about 6173.9046801842. The cubic root of 38117099 is about 336.5425233668.

The spelling of 38117099 in words is "thirty-eight million, one hundred seventeen thousand, ninety-nine".