349041568 has 24 divisors (see below), whose sum is σ = 688356900. Its totient is φ = 174220800.

The previous prime is 349041547. The next prime is 349041577. The reversal of 349041568 is 865140943.

It can be written as a sum of positive squares in 2 ways, for example, as 347002384 + 2039184 = 18628^2 + 1428^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 349041568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10158 + ... + 28306.

Almost surely, 2^349041568 is an apocalyptic number.

It is an amenable number.

349041568 is a deficient number, since it is larger than the sum of its proper divisors (339315332).

349041568 is a wasteful number, since it uses less digits than its factorization.

349041568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18760 (or 18752 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 349041568 is about 18682.6542011568. The cubic root of 349041568 is about 704.0860130788.

The spelling of 349041568 in words is "three hundred forty-nine million, forty-one thousand, five hundred sixty-eight".