347313861 has 6 divisors (see below), whose sum is σ = 501675590. Its totient is φ = 231542568.

The previous prime is 347313853. The next prime is 347313887. The reversal of 347313861 is 168313743.

It can be written as a sum of positive squares in only one way, i.e., 332150625 + 15163236 = 18225^2 + 3894^2 .

It is not a de Polignac number, because 347313861 - 2³ = 347313853 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 (347313061) 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, 19295206 + ... + 19295223.

Almost surely, 2^347313861 is an apocalyptic number.

It is an amenable number.

347313861 is a deficient number, since it is larger than the sum of its proper divisors (154361729).

347313861 is a wasteful number, since it uses less digits than its factorization.

347313861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38590435 (or 38590432 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 347313861 is about 18636.3585767177. The cubic root of 347313861 is about 702.9223818902.

The spelling of 347313861 in words is "three hundred forty-seven million, three hundred thirteen thousand, eight hundred sixty-one".