347320161 has 12 divisors (see below), whose sum is σ = 509173392. Its totient is φ = 228090456.

The previous prime is 347320139. The next prime is 347320189. The reversal of 347320161 is 161023743.

It is not a de Polignac number, because 347320161 - 2⁹ = 347319649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (347320111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287391 + ... + 288596.

It is an arithmetic number, because the mean of its divisors is an integer number (42431116).

Almost surely, 2^347320161 is an apocalyptic number.

It is an amenable number.

347320161 is a deficient number, since it is larger than the sum of its proper divisors (161853231).

347320161 is a wasteful number, since it uses less digits than its factorization.

347320161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576060 (or 576057 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 347320161 is about 18636.5276003874. The cubic root of 347320161 is about 702.9266320173.

The spelling of 347320161 in words is "three hundred forty-seven million, three hundred twenty thousand, one hundred sixty-one".