349559718 has 8 divisors (see below), whose sum is σ = 699119448. Its totient is φ = 116519904.

The previous prime is 349559711. The next prime is 349559723. The reversal of 349559718 is 817955943.

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

349559718 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349559711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 29129971 + ... + 29129982.

It is an arithmetic number, because the mean of its divisors is an integer number (87389931).

Almost surely, 2^349559718 is an apocalyptic number.

349559718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349559718 is a wasteful number, since it uses less digits than its factorization.

349559718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58259958.

The product of its digits is 1360800, while the sum is 51.

The square root of 349559718 is about 18696.5161995490. The cubic root of 349559718 is about 704.4342445642.

The spelling of 349559718 in words is "three hundred forty-nine million, five hundred fifty-nine thousand, seven hundred eighteen".