17108939 has 4 divisors (see below), whose sum is σ = 17174256. Its totient is φ = 17043624.

The previous prime is 17108933. The next prime is 17108963. The reversal of 17108939 is 93980171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17108939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17108933) 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, 32264 + ... + 32789.

It is an arithmetic number, because the mean of its divisors is an integer number (4293564).

Almost surely, 2^17108939 is an apocalyptic number.

17108939 is a deficient number, since it is larger than the sum of its proper divisors (65317).

17108939 is an equidigital number, since it uses as much as digits as its factorization.

17108939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65316.

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

The square root of 17108939 is about 4136.2953231122. The cubic root of 17108939 is about 257.6762308869.

The spelling of 17108939 in words is "seventeen million, one hundred eight thousand, nine hundred thirty-nine".