349318017 has 6 divisors (see below), whose sum is σ = 504570482. Its totient is φ = 232878672.

The previous prime is 349318003. The next prime is 349318031. The reversal of 349318017 is 710813943.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (349318003) and next prime (349318031).

It can be written as a sum of positive squares in only one way, i.e., 263218176 + 86099841 = 16224^2 + 9279^2 .

It is not a de Polignac number, because 349318017 - 2⁶ = 349317953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349318037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19406548 + ... + 19406565.

Almost surely, 2^349318017 is an apocalyptic number.

It is an amenable number.

349318017 is a deficient number, since it is larger than the sum of its proper divisors (155252465).

349318017 is a wasteful number, since it uses less digits than its factorization.

349318017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38813119 (or 38813116 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 349318017 is about 18690.0512840388. The cubic root of 349318017 is about 704.2718481648.

The spelling of 349318017 in words is "three hundred forty-nine million, three hundred eighteen thousand, seventeen".