339117209 has 2 divisors, whose sum is σ = 339117210. Its totient is φ = 339117208.

The previous prime is 339117157. The next prime is 339117223. The reversal of 339117209 is 902711933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213744400 + 125372809 = 14620^2 + 11197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339117209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (339117269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169558604 + 169558605.

It is an arithmetic number, because the mean of its divisors is an integer number (169558605).

Almost surely, 2^339117209 is an apocalyptic number.

It is an amenable number.

339117209 is a deficient number, since it is larger than the sum of its proper divisors (1).

339117209 is an equidigital number, since it uses as much as digits as its factorization.

339117209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 339117209 is about 18415.1353239665. The cubic root of 339117209 is about 697.3486156304.

The spelling of 339117209 in words is "three hundred thirty-nine million, one hundred seventeen thousand, two hundred nine".