349718354 has 8 divisors (see below), whose sum is σ = 526368780. Its totient is φ = 174262096.

The previous prime is 349718353. The next prime is 349718357. The reversal of 349718354 is 453817943.

It can be written as a sum of positive squares in 2 ways, for example, as 300086329 + 49632025 = 17323^2 + 7045^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349718353) by changing a digit.

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, 297809 + ... + 298980.

Almost surely, 2^349718354 is an apocalyptic number.

349718354 is a deficient number, since it is larger than the sum of its proper divisors (176650426).

349718354 is a wasteful number, since it uses less digits than its factorization.

349718354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597084.

The product of its digits is 362880, while the sum is 44.

The square root of 349718354 is about 18700.7581129750. The cubic root of 349718354 is about 704.5407897646.

The spelling of 349718354 in words is "three hundred forty-nine million, seven hundred eighteen thousand, three hundred fifty-four".