189334339 has 2 divisors, whose sum is σ = 189334340. Its totient is φ = 189334338.

The previous prime is 189334331. The next prime is 189334349. The reversal of 189334339 is 933433981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189334339 - 2³ = 189334331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189334295 and 189334304.

It is not a weakly prime, because it can be changed into another prime (189334331) 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, 94667169 + 94667170.

It is an arithmetic number, because the mean of its divisors is an integer number (94667170).

Almost surely, 2^189334339 is an apocalyptic number.

189334339 is a deficient number, since it is larger than the sum of its proper divisors (1).

189334339 is an equidigital number, since it uses as much as digits as its factorization.

189334339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 189334339 is about 13759.8815038502. The cubic root of 189334339 is about 574.2175509902.

The spelling of 189334339 in words is "one hundred eighty-nine million, three hundred thirty-four thousand, three hundred thirty-nine".