349279187 has 2 divisors, whose sum is σ = 349279188. Its totient is φ = 349279186.

The previous prime is 349279181. The next prime is 349279193. The reversal of 349279187 is 781972943.

It is a balanced prime because it is at equal distance from previous prime (349279181) and next prime (349279193).

It is an emirp because it is prime and its reverse (781972943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349279187 - 2²⁴ = 332501971 is a prime.

It is not a weakly prime, because it can be changed into another prime (349279181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174639593 + 174639594.

It is an arithmetic number, because the mean of its divisors is an integer number (174639594).

Almost surely, 2^349279187 is an apocalyptic number.

349279187 is a deficient number, since it is larger than the sum of its proper divisors (1).

349279187 is an equidigital number, since it uses as much as digits as its factorization.

349279187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 349279187 is about 18689.0124672226. The cubic root of 349279187 is about 704.2457517065.

The spelling of 349279187 in words is "three hundred forty-nine million, two hundred seventy-nine thousand, one hundred eighty-seven".