349975168 has 16 divisors (see below), whose sum is σ = 697216410. Its totient is φ = 174987520.

The previous prime is 349975159. The next prime is 349975177. The reversal of 349975168 is 861579943.

It is a happy number.

349975168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (349975159) and next prime (349975177).

It can be written as a sum of positive squares in only one way, i.e., 344176704 + 5798464 = 18552^2 + 2408^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

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, 1366963 + ... + 1367218.

Almost surely, 2^349975168 is an apocalyptic number.

It is an amenable number.

349975168 is a deficient number, since it is larger than the sum of its proper divisors (347241242).

349975168 is an equidigital number, since it uses as much as digits as its factorization.

349975168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734195 (or 2734183 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 349975168 is about 18707.6232589819. The cubic root of 349975168 is about 704.7132062864.

The spelling of 349975168 in words is "three hundred forty-nine million, nine hundred seventy-five thousand, one hundred sixty-eight".