349675618 has 8 divisors (see below), whose sum is σ = 555367212. Its totient is φ = 164553216.

The previous prime is 349675603. The next prime is 349675631. The reversal of 349675618 is 816576943.

It can be written as a sum of positive squares in 2 ways, for example, as 347188689 + 2486929 = 18633^2 + 1577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5142255 + ... + 5142322.

Almost surely, 2^349675618 is an apocalyptic number.

349675618 is a deficient number, since it is larger than the sum of its proper divisors (205691594).

349675618 is a wasteful number, since it uses less digits than its factorization.

349675618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10284596.

The product of its digits is 1088640, while the sum is 49.

The square root of 349675618 is about 18699.6154505915. The cubic root of 349675618 is about 704.5120900206.

The spelling of 349675618 in words is "three hundred forty-nine million, six hundred seventy-five thousand, six hundred eighteen".