349243355 has 16 divisors (see below), whose sum is σ = 424674144. Its totient is φ = 275692800.

The previous prime is 349243327. The next prime is 349243357. The reversal of 349243355 is 553342943.

It is not a de Polignac number, because 349243355 - 2¹² = 349239259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349243357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174239 + ... + 176231.

It is an arithmetic number, because the mean of its divisors is an integer number (26542134).

Almost surely, 2^349243355 is an apocalyptic number.

349243355 is a deficient number, since it is larger than the sum of its proper divisors (75430789).

349243355 is a wasteful number, since it uses less digits than its factorization.

349243355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446.

The product of its digits is 194400, while the sum is 38.

The square root of 349243355 is about 18688.0538045030. The cubic root of 349243355 is about 704.2216683965.

The spelling of 349243355 in words is "three hundred forty-nine million, two hundred forty-three thousand, three hundred fifty-five".