17930117 has 2 divisors, whose sum is σ = 17930118. Its totient is φ = 17930116.

The previous prime is 17930093. The next prime is 17930123. The reversal of 17930117 is 71103971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16370116 + 1560001 = 4046^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 17930117 - 2²⁰ = 16881541 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 17930117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17930197) 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, 8965058 + 8965059.

It is an arithmetic number, because the mean of its divisors is an integer number (8965059).

Almost surely, 2^17930117 is an apocalyptic number.

It is an amenable number.

17930117 is a deficient number, since it is larger than the sum of its proper divisors (1).

17930117 is an equidigital number, since it uses as much as digits as its factorization.

17930117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 17930117 is about 4234.3968873973. The cubic root of 17930117 is about 261.7345416485.

The spelling of 17930117 in words is "seventeen million, nine hundred thirty thousand, one hundred seventeen".