349605188 has 6 divisors (see below), whose sum is σ = 611809086. Its totient is φ = 174802592.

The previous prime is 349605181. The next prime is 349605209. The reversal of 349605188 is 881506943.

349605188 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 251159104 + 98446084 = 15848^2 + 9922^2 .

It is not an unprimeable number, because it can be changed into a prime (349605181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43700645 + ... + 43700652.

It is an arithmetic number, because the mean of its divisors is an integer number (101968181).

Almost surely, 2^349605188 is an apocalyptic number.

It is an amenable number.

349605188 is a deficient number, since it is larger than the sum of its proper divisors (262203898).

349605188 is a wasteful number, since it uses less digits than its factorization.

349605188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87401301 (or 87401299 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 349605188 is about 18697.7321619495. The cubic root of 349605188 is about 704.4647870197.

The spelling of 349605188 in words is "three hundred forty-nine million, six hundred five thousand, one hundred eighty-eight".