349338518 has 8 divisors (see below), whose sum is σ = 524106912. Its totient is φ = 174636216.

The previous prime is 349338511. The next prime is 349338523. The reversal of 349338518 is 815833943.

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

It is a super-3 number, since 3×349338518³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349338511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 26432.

It is an arithmetic number, because the mean of its divisors is an integer number (65513364).

Almost surely, 2^349338518 is an apocalyptic number.

349338518 is a deficient number, since it is larger than the sum of its proper divisors (174768394).

349338518 is a wasteful number, since it uses less digits than its factorization.

349338518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33046.

The product of its digits is 311040, while the sum is 44.

The square root of 349338518 is about 18690.5997228553. The cubic root of 349338518 is about 704.2856254813.

The spelling of 349338518 in words is "three hundred forty-nine million, three hundred thirty-eight thousand, five hundred eighteen".