349340517 has 48 divisors (see below), whose sum is σ = 544190400. Its totient is φ = 215308800.

The previous prime is 349340507. The next prime is 349340549. The reversal of 349340517 is 715043943.

It is not a de Polignac number, because 349340517 - 2¹⁰ = 349339493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349340507) 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 47 ways as a sum of consecutive naturals, for example, 1951534 + ... + 1951712.

It is an arithmetic number, because the mean of its divisors is an integer number (11337300).

Almost surely, 2^349340517 is an apocalyptic number.

It is an amenable number.

349340517 is a deficient number, since it is larger than the sum of its proper divisors (194849883).

349340517 is a wasteful number, since it uses less digits than its factorization.

349340517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 349340517 is about 18690.6531988585. The cubic root of 349340517 is about 704.2869688434.

The spelling of 349340517 in words is "three hundred forty-nine million, three hundred forty thousand, five hundred seventeen".