349117180 has 24 divisors (see below), whose sum is σ = 733582080. Its totient is φ = 139563840.

The previous prime is 349117177. The next prime is 349117187. The reversal of 349117180 is 81711943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349117187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38086 + ... + 46354.

It is an arithmetic number, because the mean of its divisors is an integer number (30565920).

Almost surely, 2^349117180 is an apocalyptic number.

It is an amenable number.

349117180 is an abundant number, since it is smaller than the sum of its proper divisors (384464900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349117180 is a wasteful number, since it uses less digits than its factorization.

349117180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10389 (or 10387 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 349117180 is about 18684.6776798531. The cubic root of 349117180 is about 704.1368508708.

The spelling of 349117180 in words is "three hundred forty-nine million, one hundred seventeen thousand, one hundred eighty".