349885317 has 8 divisors (see below), whose sum is σ = 466601440. Its totient is φ = 233213040.

The previous prime is 349885301. The next prime is 349885321. The reversal of 349885317 is 713588943.

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

It is not a de Polignac number, because 349885317 - 2⁴ = 349885301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349885337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20859 + ... + 33687.

It is an arithmetic number, because the mean of its divisors is an integer number (58325180).

Almost surely, 2^349885317 is an apocalyptic number.

It is an amenable number.

349885317 is a deficient number, since it is larger than the sum of its proper divisors (116716123).

349885317 is a wasteful number, since it uses less digits than its factorization.

349885317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21923.

The product of its digits is 725760, while the sum is 48.

The square root of 349885317 is about 18705.2216506515. The cubic root of 349885317 is about 704.6528928588.

The spelling of 349885317 in words is "three hundred forty-nine million, eight hundred eighty-five thousand, three hundred seventeen".