339938189 has 2 divisors, whose sum is σ = 339938190. Its totient is φ = 339938188.

The previous prime is 339938147. The next prime is 339938197. The reversal of 339938189 is 981839933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267976900 + 71961289 = 16370^2 + 8483^2 .

It is a cyclic number.

It is not a de Polignac number, because 339938189 - 2²⁸ = 71502733 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 339938189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339938089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169969094 + 169969095.

It is an arithmetic number, because the mean of its divisors is an integer number (169969095).

Almost surely, 2^339938189 is an apocalyptic number.

It is an amenable number.

339938189 is a deficient number, since it is larger than the sum of its proper divisors (1).

339938189 is an equidigital number, since it uses as much as digits as its factorization.

339938189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 53.

The square root of 339938189 is about 18437.4127523359. The cubic root of 339938189 is about 697.9109068476.

The spelling of 339938189 in words is "three hundred thirty-nine million, nine hundred thirty-eight thousand, one hundred eighty-nine".