349689118 has 12 divisors (see below), whose sum is σ = 535938192. Its totient is φ = 171122300.

The previous prime is 349689107. The next prime is 349689127. The reversal of 349689118 is 811986943.

It is a super-3 number, since 3×349689118³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35158 + ... + 43993.

It is an arithmetic number, because the mean of its divisors is an integer number (44661516).

Almost surely, 2^349689118 is an apocalyptic number.

349689118 is a deficient number, since it is larger than the sum of its proper divisors (186249074).

349689118 is an equidigital number, since it uses as much as digits as its factorization.

349689118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79247 (or 79200 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 349689118 is about 18699.9764170974. The cubic root of 349689118 is about 704.5211563193.

The spelling of 349689118 in words is "three hundred forty-nine million, six hundred eighty-nine thousand, one hundred eighteen".